21275230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 40233024

約数和(自身を除く): 18957794

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 233, 397, 466, 794, 1165, 1985, 2330, 3970, 5359, 9131, 10718, 18262, 26795, 45655, 53590, 91310, 92501, 185002, 462505, 925010, 2127523, 4255046, 10637615, 21275230]

約数ペア:

[(1, 21275230), (2, 10637615), (5, 4255046), (10, 2127523), (23, 925010), (46, 462505), (115, 185002), (230, 92501), (233, 91310), (397, 53590), (466, 45655), (794, 26795), (1165, 18262), (1985, 10718), (2330, 9131), (3970, 5359)]