21920118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 48805680

約数和(自身を除く): 26885562

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 121, 218, 242, 277, 327, 363, 554, 654, 726, 831, 1199, 1662, 2398, 3047, 3597, 6094, 7194, 9141, 13189, 18282, 26378, 30193, 33517, 39567, 60386, 67034, 79134, 90579, 100551, 181158, 201102, 332123, 664246, 996369, 1992738, 3653353, 7306706, 10960059, 21920118]

約数ペア:

[(1, 21920118), (2, 10960059), (3, 7306706), (6, 3653353), (11, 1992738), (22, 996369), (33, 664246), (66, 332123), (109, 201102), (121, 181158), (218, 100551), (242, 90579), (277, 79134), (327, 67034), (363, 60386), (554, 39567), (654, 33517), (726, 30193), (831, 26378), (1199, 18282), (1662, 13189), (2398, 9141), (3047, 7194), (3597, 6094)]