21743530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 40452048

約数和(自身を除く): 18708518

約数列:

[1, 2, 5, 10, 41, 82, 181, 205, 293, 362, 410, 586, 905, 1465, 1810, 2930, 7421, 12013, 14842, 24026, 37105, 53033, 60065, 74210, 106066, 120130, 265165, 530330, 2174353, 4348706, 10871765, 21743530]

約数ペア:

[(1, 21743530), (2, 10871765), (5, 4348706), (10, 2174353), (41, 530330), (82, 265165), (181, 120130), (205, 106066), (293, 74210), (362, 60065), (410, 53033), (586, 37105), (905, 24026), (1465, 14842), (1810, 12013), (2930, 7421)]