21027674

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6949}}^1$

素因数の和:7057

約数の個数: 16

約数和(自身を含む): 33777000

約数和(自身を除く): 12749326

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6949, 13898, 118133, 236266, 618461, 1236922, 10513837, 21027674]

約数ペア:

[(1, 21027674), (2, 10513837), (17, 1236922), (34, 618461), (89, 236266), (178, 118133), (1513, 13898), (3026, 6949)]