21771288219

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{6343}}^1\times {\mathrm{21587}}^1$

素因数の和:27986

約数の個数: 16

約数和(自身を含む): 29582122752

約数和(自身を除く): 7810834533

約数列:

[1, 3, 53, 159, 6343, 19029, 21587, 64761, 336179, 1008537, 1144111, 3432333, 136926341, 410779023, 7257096073, 21771288219]

約数ペア:

[(1, 21771288219), (3, 7257096073), (53, 410779023), (159, 136926341), (6343, 3432333), (19029, 1144111), (21587, 1008537), (64761, 336179)]