21503863947

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{17327}}^1\times {\mathrm{21773}}^1$

素因数の和:39122

約数の個数: 16

約数和(自身を含む): 30183989760

約数和(自身を除く): 8680125813

約数列:

[1, 3, 19, 57, 17327, 21773, 51981, 65319, 329213, 413687, 987639, 1241061, 377260771, 1131782313, 7167954649, 21503863947]

約数ペア:

[(1, 21503863947), (3, 7167954649), (19, 1131782313), (57, 377260771), (17327, 1241061), (21773, 987639), (51981, 413687), (65319, 329213)]