21211060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3547}}^1$

素因数の和:3592

約数の個数: 48

約数和(自身を含む): 50069376

約数和(自身を除く): 28858316

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3547, 5980, 7094, 14188, 17735, 35470, 46111, 70940, 81581, 92222, 163162, 184444, 230555, 326324, 407905, 461110, 815810, 922220, 1060553, 1631620, 2121106, 4242212, 5302765, 10605530, 21211060]

約数ペア:

[(1, 21211060), (2, 10605530), (4, 5302765), (5, 4242212), (10, 2121106), (13, 1631620), (20, 1060553), (23, 922220), (26, 815810), (46, 461110), (52, 407905), (65, 326324), (92, 230555), (115, 184444), (130, 163162), (230, 92222), (260, 81581), (299, 70940), (460, 46111), (598, 35470), (1196, 17735), (1495, 14188), (2990, 7094), (3547, 5980)]