21908556

素因数分解:

$2^2\times 3^4\times {\mathrm{67619}}^1$

素因数の和:67635

約数の個数: 30

約数和(自身を含む): 57274140

約数和(自身を除く): 35365584

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 67619, 135238, 202857, 270476, 405714, 608571, 811428, 1217142, 1825713, 2434284, 3651426, 5477139, 7302852, 10954278, 21908556]

約数ペア:

[(1, 21908556), (2, 10954278), (3, 7302852), (4, 5477139), (6, 3651426), (9, 2434284), (12, 1825713), (18, 1217142), (27, 811428), (36, 608571), (54, 405714), (81, 270476), (108, 202857), (162, 135238), (324, 67619)]