21320490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710683}}^1$

素因数の和:710693

約数の個数: 16

約数和(自身を含む): 51169248

約数和(自身を除く): 29848758

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710683, 1421366, 2132049, 3553415, 4264098, 7106830, 10660245, 21320490]

約数ペア:

[(1, 21320490), (2, 10660245), (3, 7106830), (5, 4264098), (6, 3553415), (10, 2132049), (15, 1421366), (30, 710683)]