21539349

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{811}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 33694752

約数和(自身を除く): 12155403

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 811, 2043, 2433, 2951, 7299, 8853, 10543, 26559, 31629, 94887, 184097, 552291, 1656873, 2393261, 7179783, 21539349]

約数ペア:

[(1, 21539349), (3, 7179783), (9, 2393261), (13, 1656873), (39, 552291), (117, 184097), (227, 94887), (681, 31629), (811, 26559), (2043, 10543), (2433, 8853), (2951, 7299)]