21479312

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4289}}^1$

素因数の和:4610

約数の個数: 20

約数和(自身を含む): 41758860

約数和(自身を除く): 20279548

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4289, 5008, 8578, 17156, 34312, 68624, 1342457, 2684914, 5369828, 10739656, 21479312]

約数ペア:

[(1, 21479312), (2, 10739656), (4, 5369828), (8, 2684914), (16, 1342457), (313, 68624), (626, 34312), (1252, 17156), (2504, 8578), (4289, 5008)]