21849685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30559}}^1$

素因数の和:30588

約数の個数: 16

約数和(自身を含む): 30804480

約数和(自身を除く): 8954795

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30559, 152795, 336149, 397267, 1680745, 1986335, 4369937, 21849685]

約数ペア:

[(1, 21849685), (5, 4369937), (11, 1986335), (13, 1680745), (55, 397267), (65, 336149), (143, 152795), (715, 30559)]