21241752

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 61067520

約数和(自身を除く): 39825768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 227, 454, 557, 681, 908, 1114, 1362, 1589, 1671, 1816, 2228, 2724, 3178, 3342, 3899, 4456, 4767, 5448, 6356, 6684, 7798, 9534, 11697, 12712, 13368, 15596, 19068, 23394, 31192, 38136, 46788, 93576, 126439, 252878, 379317, 505756, 758634, 885073, 1011512, 1517268, 1770146, 2655219, 3034536, 3540292, 5310438, 7080584, 10620876, 21241752]

約数ペア:

[(1, 21241752), (2, 10620876), (3, 7080584), (4, 5310438), (6, 3540292), (7, 3034536), (8, 2655219), (12, 1770146), (14, 1517268), (21, 1011512), (24, 885073), (28, 758634), (42, 505756), (56, 379317), (84, 252878), (168, 126439), (227, 93576), (454, 46788), (557, 38136), (681, 31192), (908, 23394), (1114, 19068), (1362, 15596), (1589, 13368), (1671, 12712), (1816, 11697), (2228, 9534), (2724, 7798), (3178, 6684), (3342, 6356), (3899, 5448), (4456, 4767)]