21196201

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 23595264

約数和(自身を除く): 2399063

約数列:

[1, 13, 47, 113, 307, 611, 1469, 3991, 5311, 14429, 34691, 69043, 187577, 450983, 1630477, 21196201]

約数ペア:

[(1, 21196201), (13, 1630477), (47, 450983), (113, 187577), (307, 69043), (611, 34691), (1469, 14429), (3991, 5311)]