21806010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26921}}^1$

素因数の和:26940

約数の個数: 40

約数和(自身を含む): 58636116

約数和(自身を除く): 36830106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26921, 53842, 80763, 134605, 161526, 242289, 269210, 403815, 484578, 726867, 807630, 1211445, 1453734, 2180601, 2422890, 3634335, 4361202, 7268670, 10903005, 21806010]

約数ペア:

[(1, 21806010), (2, 10903005), (3, 7268670), (5, 4361202), (6, 3634335), (9, 2422890), (10, 2180601), (15, 1453734), (18, 1211445), (27, 807630), (30, 726867), (45, 484578), (54, 403815), (81, 269210), (90, 242289), (135, 161526), (162, 134605), (270, 80763), (405, 53842), (810, 26921)]