21810228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{165229}}^1$

素因数の和:165247

約数の個数: 24

約数和(自身を含む): 55517280

約数和(自身を除く): 33707052

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 165229, 330458, 495687, 660916, 991374, 1817519, 1982748, 3635038, 5452557, 7270076, 10905114, 21810228]

約数ペア:

[(1, 21810228), (2, 10905114), (3, 7270076), (4, 5452557), (6, 3635038), (11, 1982748), (12, 1817519), (22, 991374), (33, 660916), (44, 495687), (66, 330458), (132, 165229)]