21040060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14411}}^1$

素因数の和:14493

約数の個数: 24

約数和(自身を含む): 44792496

約数和(自身を除く): 23752436

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14411, 28822, 57644, 72055, 144110, 288220, 1052003, 2104006, 4208012, 5260015, 10520030, 21040060]

約数ペア:

[(1, 21040060), (2, 10520030), (4, 5260015), (5, 4208012), (10, 2104006), (20, 1052003), (73, 288220), (146, 144110), (292, 72055), (365, 57644), (730, 28822), (1460, 14411)]