21274860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354581}}^1$

素因数の和:354593

約数の個数: 24

約数和(自身を含む): 59569776

約数和(自身を除く): 38294916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354581, 709162, 1063743, 1418324, 1772905, 2127486, 3545810, 4254972, 5318715, 7091620, 10637430, 21274860]

約数ペア:

[(1, 21274860), (2, 10637430), (3, 7091620), (4, 5318715), (5, 4254972), (6, 3545810), (10, 2127486), (12, 1772905), (15, 1418324), (20, 1063743), (30, 709162), (60, 354581)]