21018018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29437}}^1$

素因数の和:29466

約数の個数: 32

約数和(自身を含む): 50868864

約数和(自身を除く): 29850846

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 29437, 58874, 88311, 176622, 206059, 412118, 500429, 618177, 1000858, 1236354, 1501287, 3002574, 3503003, 7006006, 10509009, 21018018]

約数ペア:

[(1, 21018018), (2, 10509009), (3, 7006006), (6, 3503003), (7, 3002574), (14, 1501287), (17, 1236354), (21, 1000858), (34, 618177), (42, 500429), (51, 412118), (102, 206059), (119, 176622), (238, 88311), (357, 58874), (714, 29437)]