21350679

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19183}}^1$

素因数の和:19246

約数の個数: 16

約数和(自身を含む): 33149952

約数和(自身を除く): 11799273

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 19183, 57549, 134281, 402843, 1016699, 3050097, 7116893, 21350679]

約数ペア:

[(1, 21350679), (3, 7116893), (7, 3050097), (21, 1016699), (53, 402843), (159, 134281), (371, 57549), (1113, 19183)]