20210418

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{2857}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 45270720

約数和(自身を除く): 25060302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 2857, 3537, 5714, 7074, 8571, 17142, 25713, 51426, 77139, 154278, 374267, 748534, 1122801, 2245602, 3368403, 6736806, 10105209, 20210418]

約数ペア:

[(1, 20210418), (2, 10105209), (3, 6736806), (6, 3368403), (9, 2245602), (18, 1122801), (27, 748534), (54, 374267), (131, 154278), (262, 77139), (393, 51426), (786, 25713), (1179, 17142), (2358, 8571), (2857, 7074), (3537, 5714)]