21147642

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4256

約数の個数: 40

約数和(自身を含む): 48926592

約数和(自身を除く): 27778950

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4211, 5022, 8422, 12633, 25266, 37899, 75798, 113697, 130541, 227394, 261082, 341091, 391623, 682182, 783246, 1174869, 2349738, 3524607, 7049214, 10573821, 21147642]

約数ペア:

[(1, 21147642), (2, 10573821), (3, 7049214), (6, 3524607), (9, 2349738), (18, 1174869), (27, 783246), (31, 682182), (54, 391623), (62, 341091), (81, 261082), (93, 227394), (162, 130541), (186, 113697), (279, 75798), (558, 37899), (837, 25266), (1674, 12633), (2511, 8422), (4211, 5022)]