21134428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10631}}^1$

素因数の和:10713

約数の個数: 24

約数和(自身を含む): 42868224

約数和(自身を除く): 21733796

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10631, 21262, 42524, 74417, 148834, 297668, 754801, 1509602, 3019204, 5283607, 10567214, 21134428]

約数ペア:

[(1, 21134428), (2, 10567214), (4, 5283607), (7, 3019204), (14, 1509602), (28, 754801), (71, 297668), (142, 148834), (284, 74417), (497, 42524), (994, 21262), (1988, 10631)]