21745443

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8117}}^1$

素因数の和:8186

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 9427677

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 8117, 24351, 154223, 381499, 462669, 1144497, 7248481, 21745443]

約数ペア:

[(1, 21745443), (3, 7248481), (19, 1144497), (47, 462669), (57, 381499), (141, 154223), (893, 24351), (2679, 8117)]