21030207

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 13080513

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1973, 3553, 5919, 10659, 21703, 33541, 37487, 65109, 100623, 112461, 368951, 412357, 637279, 1106853, 1237071, 1911837, 7010069, 21030207]

約数ペア:

[(1, 21030207), (3, 7010069), (11, 1911837), (17, 1237071), (19, 1106853), (33, 637279), (51, 412357), (57, 368951), (187, 112461), (209, 100623), (323, 65109), (561, 37487), (627, 33541), (969, 21703), (1973, 10659), (3553, 5919)]