21564696

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^3\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 57340800

約数和(自身を除く): 35776104

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 131, 152, 228, 262, 361, 393, 456, 524, 722, 786, 1048, 1083, 1444, 1572, 2166, 2489, 2888, 3144, 4332, 4978, 6859, 7467, 8664, 9956, 13718, 14934, 19912, 20577, 27436, 29868, 41154, 47291, 54872, 59736, 82308, 94582, 141873, 164616, 189164, 283746, 378328, 567492, 898529, 1134984, 1797058, 2695587, 3594116, 5391174, 7188232, 10782348, 21564696]

約数ペア:

[(1, 21564696), (2, 10782348), (3, 7188232), (4, 5391174), (6, 3594116), (8, 2695587), (12, 1797058), (19, 1134984), (24, 898529), (38, 567492), (57, 378328), (76, 283746), (114, 189164), (131, 164616), (152, 141873), (228, 94582), (262, 82308), (361, 59736), (393, 54872), (456, 47291), (524, 41154), (722, 29868), (786, 27436), (1048, 20577), (1083, 19912), (1444, 14934), (1572, 13718), (2166, 9956), (2489, 8664), (2888, 7467), (3144, 6859), (4332, 4978)]