21827679

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1283}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 29953152

約数和(自身を除く): 8125473

約数列:

[1, 3, 53, 107, 159, 321, 1283, 3849, 5671, 17013, 67999, 137281, 203997, 411843, 7275893, 21827679]

約数ペア:

[(1, 21827679), (3, 7275893), (53, 411843), (107, 203997), (159, 137281), (321, 67999), (1283, 17013), (3849, 5671)]