21333238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15173}}^1$

素因数の和:15231

約数の個数: 16

約数和(自身を含む): 34596720

約数和(自身を除く): 13263482

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15173, 30346, 288287, 561401, 576574, 1122802, 10666619, 21333238]

約数ペア:

[(1, 21333238), (2, 10666619), (19, 1122802), (37, 576574), (38, 561401), (74, 288287), (703, 30346), (1406, 15173)]