21110310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18043}}^1$

素因数の和:18069

約数の個数: 48

約数和(自身を含む): 59112144

約数和(自身を除く): 38001834

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, 18043, 36086, 54129, 90215, 108258, 162387, 180430, 234559, 270645, 324774, 469118, 541290, 703677, 811935, 1172795, 1407354, 1623870, 2111031, 2345590, 3518385, 4222062, 7036770, 10555155, 21110310]

約数ペア:

[(1, 21110310), (2, 10555155), (3, 7036770), (5, 4222062), (6, 3518385), (9, 2345590), (10, 2111031), (13, 1623870), (15, 1407354), (18, 1172795), (26, 811935), (30, 703677), (39, 541290), (45, 469118), (65, 324774), (78, 270645), (90, 234559), (117, 180430), (130, 162387), (195, 108258), (234, 90215), (390, 54129), (585, 36086), (1170, 18043)]