21931806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 48698496

約数和(自身を除く): 26766690

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 503, 507, 559, 1006, 1014, 1118, 1509, 1677, 3018, 3354, 6539, 7267, 13078, 14534, 19617, 21629, 21801, 39234, 43258, 43602, 64887, 85007, 129774, 170014, 255021, 281177, 510042, 562354, 843531, 1687062, 3655301, 7310602, 10965903, 21931806]

約数ペア:

[(1, 21931806), (2, 10965903), (3, 7310602), (6, 3655301), (13, 1687062), (26, 843531), (39, 562354), (43, 510042), (78, 281177), (86, 255021), (129, 170014), (169, 129774), (258, 85007), (338, 64887), (503, 43602), (507, 43258), (559, 39234), (1006, 21801), (1014, 21629), (1118, 19617), (1509, 14534), (1677, 13078), (3018, 7267), (3354, 6539)]