21910712

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 42519600

約数和(自身を除く): 20608888

約数列:

[1, 2, 4, 8, 59, 61, 118, 122, 236, 244, 472, 488, 761, 1522, 3044, 3599, 6088, 7198, 14396, 28792, 44899, 46421, 89798, 92842, 179596, 185684, 359192, 371368, 2738839, 5477678, 10955356, 21910712]

約数ペア:

[(1, 21910712), (2, 10955356), (4, 5477678), (8, 2738839), (59, 371368), (61, 359192), (118, 185684), (122, 179596), (236, 92842), (244, 89798), (472, 46421), (488, 44899), (761, 28792), (1522, 14396), (3044, 7198), (3599, 6088)]