21050748

素因数分解:

$2^2\times 3^2\times {\mathrm{547}}^1\times {\mathrm{1069}}^1$

素因数の和:1626

約数の個数: 36

約数和(自身を含む): 53358760

約数和(自身を除く): 32308012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 547, 1069, 1094, 1641, 2138, 2188, 3207, 3282, 4276, 4923, 6414, 6564, 9621, 9846, 12828, 19242, 19692, 38484, 584743, 1169486, 1754229, 2338972, 3508458, 5262687, 7016916, 10525374, 21050748]

約数ペア:

[(1, 21050748), (2, 10525374), (3, 7016916), (4, 5262687), (6, 3508458), (9, 2338972), (12, 1754229), (18, 1169486), (36, 584743), (547, 38484), (1069, 19692), (1094, 19242), (1641, 12828), (2138, 9846), (2188, 9621), (3207, 6564), (3282, 6414), (4276, 4923)]