21930430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51001}}^1$

素因数の和:51051

約数の個数: 16

約数和(自身を含む): 40393584

約数和(自身を除く): 18463154

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 51001, 102002, 255005, 510010, 2193043, 4386086, 10965215, 21930430]

約数ペア:

[(1, 21930430), (2, 10965215), (5, 4386086), (10, 2193043), (43, 510010), (86, 255005), (215, 102002), (430, 51001)]