21414105

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 38400000

約数和(自身を除く): 16985895

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1143, 1249, 1905, 3429, 3747, 5715, 6245, 11241, 17145, 18735, 33723, 56205, 158623, 168615, 475869, 793115, 1427607, 2379345, 4282821, 7138035, 21414105]

約数ペア:

[(1, 21414105), (3, 7138035), (5, 4282821), (9, 2379345), (15, 1427607), (27, 793115), (45, 475869), (127, 168615), (135, 158623), (381, 56205), (635, 33723), (1143, 18735), (1249, 17145), (1905, 11241), (3429, 6245), (3747, 5715)]