21117330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18049}}^1$

素因数の和:18075

約数の個数: 48

約数和(自身を含む): 59131800

約数和(自身を除く): 38014470

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18049, 36098, 54147, 90245, 108294, 162441, 180490, 234637, 270735, 324882, 469274, 541470, 703911, 812205, 1173185, 1407822, 1624410, 2111733, 2346370, 3519555, 4223466, 7039110, 10558665, 21117330]

約数ペア:

[(1, 21117330), (2, 10558665), (3, 7039110), (5, 4223466), (6, 3519555), (9, 2346370), (10, 2111733), (13, 1624410), (15, 1407822), (18, 1173185), (26, 812205), (30, 703911), (39, 541470), (45, 469274), (65, 324882), (78, 270735), (90, 234637), (117, 180490), (130, 162441), (195, 108294), (234, 90245), (390, 54147), (585, 36098), (1170, 18049)]