21746712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 59834880

約数和(自身を除く): 38088168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1483, 1833, 2444, 2966, 3666, 4449, 4888, 5932, 7332, 8898, 11864, 14664, 17796, 19279, 35592, 38558, 57837, 69701, 77116, 115674, 139402, 154232, 209103, 231348, 278804, 418206, 462696, 557608, 836412, 906113, 1672824, 1812226, 2718339, 3624452, 5436678, 7248904, 10873356, 21746712]

約数ペア:

[(1, 21746712), (2, 10873356), (3, 7248904), (4, 5436678), (6, 3624452), (8, 2718339), (12, 1812226), (13, 1672824), (24, 906113), (26, 836412), (39, 557608), (47, 462696), (52, 418206), (78, 278804), (94, 231348), (104, 209103), (141, 154232), (156, 139402), (188, 115674), (282, 77116), (312, 69701), (376, 57837), (564, 38558), (611, 35592), (1128, 19279), (1222, 17796), (1483, 14664), (1833, 11864), (2444, 8898), (2966, 7332), (3666, 5932), (4449, 4888)]