21937510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3967}}^1$

素因数の和:4060

約数の個数: 32

約数和(自身を含む): 45711360

約数和(自身を除く): 23773850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3967, 5530, 7934, 19835, 27769, 39670, 55538, 138845, 277690, 313393, 626786, 1566965, 2193751, 3133930, 4387502, 10968755, 21937510]

約数ペア:

[(1, 21937510), (2, 10968755), (5, 4387502), (7, 3133930), (10, 2193751), (14, 1566965), (35, 626786), (70, 313393), (79, 277690), (158, 138845), (395, 55538), (553, 39670), (790, 27769), (1106, 19835), (2765, 7934), (3967, 5530)]