21131226

素因数分解:

$2^1\times 3^3\times {\mathrm{113}}^1\times {\mathrm{3463}}^1$

素因数の和:3587

約数の個数: 32

約数和(自身を含む): 47387520

約数和(自身を除く): 26256294

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 113, 226, 339, 678, 1017, 2034, 3051, 3463, 6102, 6926, 10389, 20778, 31167, 62334, 93501, 187002, 391319, 782638, 1173957, 2347914, 3521871, 7043742, 10565613, 21131226]

約数ペア:

[(1, 21131226), (2, 10565613), (3, 7043742), (6, 3521871), (9, 2347914), (18, 1173957), (27, 782638), (54, 391319), (113, 187002), (226, 93501), (339, 62334), (678, 31167), (1017, 20778), (2034, 10389), (3051, 6926), (3463, 6102)]