21995398

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1\times {\mathrm{631}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 34241760

約数和(自身を除く): 12246362

約数列:

[1, 2, 29, 58, 601, 631, 1202, 1262, 17429, 18299, 34858, 36598, 379231, 758462, 10997699, 21995398]

約数ペア:

[(1, 21995398), (2, 10997699), (29, 758462), (58, 379231), (601, 36598), (631, 34858), (1202, 18299), (1262, 17429)]