21136086

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2857}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 47328480

約数和(自身を除く): 26192394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 2857, 3699, 5714, 7398, 8571, 17142, 25713, 51426, 77139, 154278, 391409, 782818, 1174227, 2348454, 3522681, 7045362, 10568043, 21136086]

約数ペア:

[(1, 21136086), (2, 10568043), (3, 7045362), (6, 3522681), (9, 2348454), (18, 1174227), (27, 782818), (54, 391409), (137, 154278), (274, 77139), (411, 51426), (822, 25713), (1233, 17142), (2466, 8571), (2857, 7398), (3699, 5714)]