21906442

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 35961984

約数和(自身を除く): 14055542

約数列:

[1, 2, 23, 37, 46, 61, 74, 122, 211, 422, 851, 1403, 1702, 2257, 2806, 4514, 4853, 7807, 9706, 12871, 15614, 25742, 51911, 103822, 179561, 296033, 359122, 476227, 592066, 952454, 10953221, 21906442]

約数ペア:

[(1, 21906442), (2, 10953221), (23, 952454), (37, 592066), (46, 476227), (61, 359122), (74, 296033), (122, 179561), (211, 103822), (422, 51911), (851, 25742), (1403, 15614), (1702, 12871), (2257, 9706), (2806, 7807), (4514, 4853)]