21856230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1$

素因数の和:264

約数の個数: 120

約数和(自身を含む): 64886976

約数和(自身を除く): 43030746

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 121, 135, 162, 165, 198, 223, 242, 270, 297, 330, 363, 405, 446, 495, 594, 605, 669, 726, 810, 891, 990, 1089, 1115, 1210, 1338, 1485, 1782, 1815, 2007, 2178, 2230, 2453, 2970, 3267, 3345, 3630, 4014, 4455, 4906, 5445, 6021, 6534, 6690, 7359, 8910, 9801, 10035, 10890, 12042, 12265, 14718, 16335, 18063, 19602, 20070, 22077, 24530, 26983, 30105, 32670, 36126, 36795, 44154, 49005, 53966, 60210, 66231, 73590, 80949, 90315, 98010, 110385, 132462, 134915, 161898, 180630, 198693, 220770, 242847, 269830, 331155, 397386, 404745, 485694, 662310, 728541, 809490, 993465, 1214235, 1457082, 1986930, 2185623, 2428470, 3642705, 4371246, 7285410, 10928115, 21856230]

約数ペア:

[(1, 21856230), (2, 10928115), (3, 7285410), (5, 4371246), (6, 3642705), (9, 2428470), (10, 2185623), (11, 1986930), (15, 1457082), (18, 1214235), (22, 993465), (27, 809490), (30, 728541), (33, 662310), (45, 485694), (54, 404745), (55, 397386), (66, 331155), (81, 269830), (90, 242847), (99, 220770), (110, 198693), (121, 180630), (135, 161898), (162, 134915), (165, 132462), (198, 110385), (223, 98010), (242, 90315), (270, 80949), (297, 73590), (330, 66231), (363, 60210), (405, 53966), (446, 49005), (495, 44154), (594, 36795), (605, 36126), (669, 32670), (726, 30105), (810, 26983), (891, 24530), (990, 22077), (1089, 20070), (1115, 19602), (1210, 18063), (1338, 16335), (1485, 14718), (1782, 12265), (1815, 12042), (2007, 10890), (2178, 10035), (2230, 9801), (2453, 8910), (2970, 7359), (3267, 6690), (3345, 6534), (3630, 6021), (4014, 5445), (4455, 4906)]