21057686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1229}}^1$

素因数の和:1903

約数の個数: 16

約数和(自身を含む): 34095600

約数和(自身を除く): 13037914

約数列:

[1, 2, 13, 26, 659, 1229, 1318, 2458, 8567, 15977, 17134, 31954, 809911, 1619822, 10528843, 21057686]

約数ペア:

[(1, 21057686), (2, 10528843), (13, 1619822), (26, 809911), (659, 31954), (1229, 17134), (1318, 15977), (2458, 8567)]