21000750157

素因数分解:

${\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{12893}}^1$

素因数の和:13440

約数の個数: 16

約数和(自身を含む): 21743306928

約数和(自身を除く): 742556771

約数列:

[1, 53, 73, 421, 3869, 12893, 22313, 30733, 683329, 941189, 1628849, 5427953, 49883017, 287681509, 396240569, 21000750157]

約数ペア:

[(1, 21000750157), (53, 396240569), (73, 287681509), (421, 49883017), (3869, 5427953), (12893, 1628849), (22313, 941189), (30733, 683329)]