21621150719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{13313}}^1\times {\mathrm{12211}}^1$

素因数の和:25550

約数の個数: 16

約数和(自身を含む): 26014490880

約数和(自身を除く): 4393340161

約数列:

[1, 7, 19, 133, 12211, 13313, 85477, 93191, 232009, 252947, 1624063, 1770629, 162565043, 1137955301, 3088735817, 21621150719]

約数ペア:

[(1, 21621150719), (7, 3088735817), (19, 1137955301), (133, 162565043), (12211, 1770629), (13313, 1624063), (85477, 252947), (93191, 232009)]