21866054

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 40629600

約数和(自身を除く): 18763546

約数列:

[1, 2, 7, 14, 23, 46, 49, 89, 98, 109, 161, 178, 218, 322, 623, 763, 1127, 1246, 1526, 2047, 2254, 2507, 4094, 4361, 5014, 5341, 8722, 9701, 10682, 14329, 17549, 19402, 28658, 35098, 67907, 100303, 122843, 135814, 200606, 223123, 245686, 446246, 475349, 950698, 1561861, 3123722, 10933027, 21866054]

約数ペア:

[(1, 21866054), (2, 10933027), (7, 3123722), (14, 1561861), (23, 950698), (46, 475349), (49, 446246), (89, 245686), (98, 223123), (109, 200606), (161, 135814), (178, 122843), (218, 100303), (322, 67907), (623, 35098), (763, 28658), (1127, 19402), (1246, 17549), (1526, 14329), (2047, 10682), (2254, 9701), (2507, 8722), (4094, 5341), (4361, 5014)]