21863556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 67511808

約数和(自身を除く): 45648252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 31, 33, 36, 39, 44, 52, 62, 66, 78, 93, 99, 117, 124, 132, 137, 143, 156, 186, 198, 234, 274, 279, 286, 341, 372, 396, 403, 411, 429, 468, 548, 558, 572, 682, 806, 822, 858, 1023, 1116, 1209, 1233, 1287, 1364, 1507, 1612, 1644, 1716, 1781, 2046, 2418, 2466, 2574, 3014, 3069, 3562, 3627, 4092, 4247, 4433, 4521, 4836, 4932, 5148, 5343, 6028, 6138, 7124, 7254, 8494, 8866, 9042, 10686, 12276, 12741, 13299, 13563, 14508, 16029, 16988, 17732, 18084, 19591, 21372, 25482, 26598, 27126, 32058, 38223, 39182, 39897, 46717, 50964, 53196, 54252, 55211, 58773, 64116, 76446, 78364, 79794, 93434, 110422, 117546, 140151, 152892, 159588, 165633, 176319, 186868, 220844, 235092, 280302, 331266, 352638, 420453, 496899, 560604, 607321, 662532, 705276, 840906, 993798, 1214642, 1681812, 1821963, 1987596, 2429284, 3643926, 5465889, 7287852, 10931778, 21863556]

約数ペア:

[(1, 21863556), (2, 10931778), (3, 7287852), (4, 5465889), (6, 3643926), (9, 2429284), (11, 1987596), (12, 1821963), (13, 1681812), (18, 1214642), (22, 993798), (26, 840906), (31, 705276), (33, 662532), (36, 607321), (39, 560604), (44, 496899), (52, 420453), (62, 352638), (66, 331266), (78, 280302), (93, 235092), (99, 220844), (117, 186868), (124, 176319), (132, 165633), (137, 159588), (143, 152892), (156, 140151), (186, 117546), (198, 110422), (234, 93434), (274, 79794), (279, 78364), (286, 76446), (341, 64116), (372, 58773), (396, 55211), (403, 54252), (411, 53196), (429, 50964), (468, 46717), (548, 39897), (558, 39182), (572, 38223), (682, 32058), (806, 27126), (822, 26598), (858, 25482), (1023, 21372), (1116, 19591), (1209, 18084), (1233, 17732), (1287, 16988), (1364, 16029), (1507, 14508), (1612, 13563), (1644, 13299), (1716, 12741), (1781, 12276), (2046, 10686), (2418, 9042), (2466, 8866), (2574, 8494), (3014, 7254), (3069, 7124), (3562, 6138), (3627, 6028), (4092, 5343), (4247, 5148), (4433, 4932), (4521, 4836)]