2100061720

素因数分解:

$2^3\times 5^1\times {\mathrm{52501543}}^1$

素因数の和:52501554

約数の個数: 16

約数和(自身を含む): 4725138960

約数和(自身を除く): 2625077240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52501543, 105003086, 210006172, 262507715, 420012344, 525015430, 1050030860, 2100061720]

約数ペア:

[(1, 2100061720), (2, 1050030860), (4, 525015430), (5, 420012344), (8, 262507715), (10, 210006172), (20, 105003086), (40, 52501543)]