21738015

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37159}}^1$

素因数の和:37183

約数の個数: 24

約数和(自身を含む): 40578720

約数和(自身を除く): 18840705

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37159, 111477, 185795, 334431, 483067, 557385, 1449201, 1672155, 2415335, 4347603, 7246005, 21738015]

約数ペア:

[(1, 21738015), (3, 7246005), (5, 4347603), (9, 2415335), (13, 1672155), (15, 1449201), (39, 557385), (45, 483067), (65, 334431), (117, 185795), (195, 111477), (585, 37159)]