21878443

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 24006400

約数和(自身を除く): 2127957

約数列:

[1, 19, 43, 61, 439, 817, 1159, 2623, 8341, 18877, 26779, 49837, 358663, 508801, 1151497, 21878443]

約数ペア:

[(1, 21878443), (19, 1151497), (43, 508801), (61, 358663), (439, 49837), (817, 26779), (1159, 18877), (2623, 8341)]