21353792

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 56

約数和(自身を含む): 44866560

約数和(自身を除く): 23512768

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 188, 229, 248, 376, 458, 496, 752, 916, 992, 1457, 1504, 1832, 1984, 2914, 3008, 3664, 5828, 7099, 7328, 10763, 11656, 14198, 14656, 21526, 23312, 28396, 43052, 46624, 56792, 86104, 93248, 113584, 172208, 227168, 333653, 344416, 454336, 667306, 688832, 1334612, 2669224, 5338448, 10676896, 21353792]

約数ペア:

[(1, 21353792), (2, 10676896), (4, 5338448), (8, 2669224), (16, 1334612), (31, 688832), (32, 667306), (47, 454336), (62, 344416), (64, 333653), (94, 227168), (124, 172208), (188, 113584), (229, 93248), (248, 86104), (376, 56792), (458, 46624), (496, 43052), (752, 28396), (916, 23312), (992, 21526), (1457, 14656), (1504, 14198), (1832, 11656), (1984, 10763), (2914, 7328), (3008, 7099), (3664, 5828)]