21810804

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^2\times {\mathrm{983}}^1$

素因数の和:1076

約数の個数: 36

約数和(自身を含む): 52155936

約数和(自身を除く): 30345132

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 983, 1849, 1966, 2949, 3698, 3932, 5547, 5898, 7396, 11094, 11796, 22188, 42269, 84538, 126807, 169076, 253614, 507228, 1817567, 3635134, 5452701, 7270268, 10905402, 21810804]

約数ペア:

[(1, 21810804), (2, 10905402), (3, 7270268), (4, 5452701), (6, 3635134), (12, 1817567), (43, 507228), (86, 253614), (129, 169076), (172, 126807), (258, 84538), (516, 42269), (983, 22188), (1849, 11796), (1966, 11094), (2949, 7396), (3698, 5898), (3932, 5547)]