21665652

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 31019148

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 139, 186, 278, 372, 417, 419, 556, 834, 838, 1257, 1668, 1676, 2514, 4309, 5028, 8618, 12927, 12989, 17236, 25854, 25978, 38967, 51708, 51956, 58241, 77934, 116482, 155868, 174723, 232964, 349446, 698892, 1805471, 3610942, 5416413, 7221884, 10832826, 21665652]

約数ペア:

[(1, 21665652), (2, 10832826), (3, 7221884), (4, 5416413), (6, 3610942), (12, 1805471), (31, 698892), (62, 349446), (93, 232964), (124, 174723), (139, 155868), (186, 116482), (278, 77934), (372, 58241), (417, 51956), (419, 51708), (556, 38967), (834, 25978), (838, 25854), (1257, 17236), (1668, 12989), (1676, 12927), (2514, 8618), (4309, 5028)]