21900952

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44879}}^1$

素因数の和:44946

約数の個数: 16

約数和(自身を含む): 41738400

約数和(自身を除く): 19837448

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44879, 89758, 179516, 359032, 2737619, 5475238, 10950476, 21900952]

約数ペア:

[(1, 21900952), (2, 10950476), (4, 5475238), (8, 2737619), (61, 359032), (122, 179516), (244, 89758), (488, 44879)]