21180522

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1193}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 46422720

約数和(自身を除く): 25242198

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 269, 538, 807, 1193, 1614, 2386, 2959, 3579, 5918, 7158, 8877, 13123, 17754, 26246, 39369, 78738, 320917, 641834, 962751, 1925502, 3530087, 7060174, 10590261, 21180522]

約数ペア:

[(1, 21180522), (2, 10590261), (3, 7060174), (6, 3530087), (11, 1925502), (22, 962751), (33, 641834), (66, 320917), (269, 78738), (538, 39369), (807, 26246), (1193, 17754), (1614, 13123), (2386, 8877), (2959, 7158), (3579, 5918)]