21103698404

素因数分解:

$2^2\times {\mathrm{653}}^1\times {\mathrm{1613}}^1\times {\mathrm{5009}}^1$

素因数の和:7279

約数の個数: 24

約数和(自身を含む): 37018348920

約数和(自身を除く): 15914650516

約数列:

[1, 2, 4, 653, 1306, 1613, 2612, 3226, 5009, 6452, 10018, 20036, 1053289, 2106578, 3270877, 4213156, 6541754, 8079517, 13083508, 16159034, 32318068, 5275924601, 10551849202, 21103698404]

約数ペア:

[(1, 21103698404), (2, 10551849202), (4, 5275924601), (653, 32318068), (1306, 16159034), (1613, 13083508), (2612, 8079517), (3226, 6541754), (5009, 4213156), (6452, 3270877), (10018, 2106578), (20036, 1053289)]