21699290

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 18398950

約数列:

[1, 2, 5, 10, 67, 134, 139, 233, 278, 335, 466, 670, 695, 1165, 1390, 2330, 9313, 15611, 18626, 31222, 32387, 46565, 64774, 78055, 93130, 156110, 161935, 323870, 2169929, 4339858, 10849645, 21699290]

約数ペア:

[(1, 21699290), (2, 10849645), (5, 4339858), (10, 2169929), (67, 323870), (134, 161935), (139, 156110), (233, 93130), (278, 78055), (335, 64774), (466, 46565), (670, 32387), (695, 31222), (1165, 18626), (1390, 15611), (2330, 9313)]