21742527

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 29491200

約数和(自身を除く): 7748673

約数列:

[1, 3, 127, 149, 381, 383, 447, 1149, 18923, 48641, 56769, 57067, 145923, 171201, 7247509, 21742527]

約数ペア:

[(1, 21742527), (3, 7247509), (127, 171201), (149, 145923), (381, 57067), (383, 56769), (447, 48641), (1149, 18923)]