21000343329

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6289411}}^1$

素因数の和:6289477

約数の個数: 24

約数和(自身を含む): 35321337792

約数和(自身を除く): 14320994463

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6289411, 18868233, 44025877, 56604699, 132077631, 333338783, 396232893, 1000016349, 2333371481, 3000049047, 7000114443, 21000343329]

約数ペア:

[(1, 21000343329), (3, 7000114443), (7, 3000049047), (9, 2333371481), (21, 1000016349), (53, 396232893), (63, 333338783), (159, 132077631), (371, 56604699), (477, 44025877), (1113, 18868233), (3339, 6289411)]