21292980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354883}}^1$

素因数の和:354895

約数の個数: 24

約数和(自身を含む): 59620512

約数和(自身を除く): 38327532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354883, 709766, 1064649, 1419532, 1774415, 2129298, 3548830, 4258596, 5323245, 7097660, 10646490, 21292980]

約数ペア:

[(1, 21292980), (2, 10646490), (3, 7097660), (4, 5323245), (5, 4258596), (6, 3548830), (10, 2129298), (12, 1774415), (15, 1419532), (20, 1064649), (30, 709766), (60, 354883)]