21276372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4703}}^1$

素因数の和:4752

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 34042668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4703, 9406, 14109, 18812, 28218, 56436, 61139, 122278, 136387, 183417, 244556, 272774, 366834, 409161, 545548, 733668, 818322, 1636644, 1773031, 3546062, 5319093, 7092124, 10638186, 21276372]

約数ペア:

[(1, 21276372), (2, 10638186), (3, 7092124), (4, 5319093), (6, 3546062), (12, 1773031), (13, 1636644), (26, 818322), (29, 733668), (39, 545548), (52, 409161), (58, 366834), (78, 272774), (87, 244556), (116, 183417), (156, 136387), (174, 122278), (348, 61139), (377, 56436), (754, 28218), (1131, 18812), (1508, 14109), (2262, 9406), (4524, 4703)]