21920272452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{2393}}^1$

素因数の和:2499

約数の個数: 216

約数和(自身を含む): 64091775384

約数和(自身を除く): 42171502932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 37, 39, 46, 52, 69, 74, 78, 92, 111, 117, 138, 148, 156, 207, 222, 234, 276, 299, 333, 414, 444, 468, 481, 529, 598, 666, 828, 851, 897, 962, 1058, 1196, 1332, 1443, 1587, 1702, 1794, 1924, 2116, 2393, 2553, 2691, 2886, 3174, 3404, 3588, 4329, 4761, 4786, 5106, 5382, 5772, 6348, 6877, 7179, 7659, 8658, 9522, 9572, 10212, 10764, 11063, 13754, 14358, 15318, 17316, 19044, 19573, 20631, 21537, 22126, 27508, 28716, 30636, 31109, 33189, 39146, 41262, 43074, 44252, 55039, 58719, 61893, 62218, 66378, 78292, 82524, 86148, 88541, 93327, 99567, 110078, 117438, 123786, 124436, 132756, 165117, 176157, 177082, 186654, 199134, 220156, 234876, 247572, 254449, 265623, 279981, 330234, 352314, 354164, 373308, 398268, 495351, 508898, 531246, 559962, 660468, 704628, 715507, 763347, 796869, 990702, 1017796, 1062492, 1119924, 1151033, 1265897, 1431014, 1526694, 1593738, 1981404, 2036443, 2146521, 2290041, 2302066, 2531794, 2862028, 3053388, 3187476, 3453099, 3797691, 4072886, 4293042, 4580082, 4604132, 5063588, 6109329, 6439563, 6906198, 7595382, 8145772, 8586084, 9160164, 10359297, 11393073, 12218658, 12879126, 13812396, 15190764, 16456661, 18327987, 20718594, 22786146, 24437316, 25758252, 26473759, 32913322, 36655974, 41437188, 45572292, 46838189, 49369983, 52947518, 65826644, 73311948, 79421277, 93676378, 98739966, 105895036, 140514567, 148109949, 158842554, 187352756, 197479932, 238263831, 281029134, 296219898, 317685108, 421543701, 476527662, 562058268, 592439796, 608896457, 843087402, 953055324, 1217792914, 1686174804, 1826689371, 2435585828, 3653378742, 5480068113, 7306757484, 10960136226, 21920272452]

約数ペア:

[(1, 21920272452), (2, 10960136226), (3, 7306757484), (4, 5480068113), (6, 3653378742), (9, 2435585828), (12, 1826689371), (13, 1686174804), (18, 1217792914), (23, 953055324), (26, 843087402), (36, 608896457), (37, 592439796), (39, 562058268), (46, 476527662), (52, 421543701), (69, 317685108), (74, 296219898), (78, 281029134), (92, 238263831), (111, 197479932), (117, 187352756), (138, 158842554), (148, 148109949), (156, 140514567), (207, 105895036), (222, 98739966), (234, 93676378), (276, 79421277), (299, 73311948), (333, 65826644), (414, 52947518), (444, 49369983), (468, 46838189), (481, 45572292), (529, 41437188), (598, 36655974), (666, 32913322), (828, 26473759), (851, 25758252), (897, 24437316), (962, 22786146), (1058, 20718594), (1196, 18327987), (1332, 16456661), (1443, 15190764), (1587, 13812396), (1702, 12879126), (1794, 12218658), (1924, 11393073), (2116, 10359297), (2393, 9160164), (2553, 8586084), (2691, 8145772), (2886, 7595382), (3174, 6906198), (3404, 6439563), (3588, 6109329), (4329, 5063588), (4761, 4604132), (4786, 4580082), (5106, 4293042), (5382, 4072886), (5772, 3797691), (6348, 3453099), (6877, 3187476), (7179, 3053388), (7659, 2862028), (8658, 2531794), (9522, 2302066), (9572, 2290041), (10212, 2146521), (10764, 2036443), (11063, 1981404), (13754, 1593738), (14358, 1526694), (15318, 1431014), (17316, 1265897), (19044, 1151033), (19573, 1119924), (20631, 1062492), (21537, 1017796), (22126, 990702), (27508, 796869), (28716, 763347), (30636, 715507), (31109, 704628), (33189, 660468), (39146, 559962), (41262, 531246), (43074, 508898), (44252, 495351), (55039, 398268), (58719, 373308), (61893, 354164), (62218, 352314), (66378, 330234), (78292, 279981), (82524, 265623), (86148, 254449), (88541, 247572), (93327, 234876), (99567, 220156), (110078, 199134), (117438, 186654), (123786, 177082), (124436, 176157), (132756, 165117)]