21146974

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2447}}^1$

素因数の和:2627

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 11901026

約数列:

[1, 2, 29, 58, 149, 298, 2447, 4321, 4894, 8642, 70963, 141926, 364603, 729206, 10573487, 21146974]

約数ペア:

[(1, 21146974), (2, 10573487), (29, 729206), (58, 364603), (149, 141926), (298, 70963), (2447, 8642), (4321, 4894)]