16921430

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23833}}^1$

素因数の和:23911

約数の個数: 16

約数和(自身を含む): 30888864

約数和(自身を除く): 13967434

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 23833, 47666, 119165, 238330, 1692143, 3384286, 8460715, 16921430]

約数ペア:

[(1, 16921430), (2, 8460715), (5, 3384286), (10, 1692143), (71, 238330), (142, 119165), (355, 47666), (710, 23833)]