21320340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355339}}^1$

素因数の和:355351

約数の個数: 24

約数和(自身を含む): 59697120

約数和(自身を除く): 38376780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355339, 710678, 1066017, 1421356, 1776695, 2132034, 3553390, 4264068, 5330085, 7106780, 10660170, 21320340]

約数ペア:

[(1, 21320340), (2, 10660170), (3, 7106780), (4, 5330085), (5, 4264068), (6, 3553390), (10, 2132034), (12, 1776695), (15, 1421356), (20, 1066017), (30, 710678), (60, 355339)]