21142404

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{1201}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 55195840

約数和(自身を除く): 34053436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1201, 1467, 1956, 2402, 2934, 3603, 4401, 4804, 5868, 7206, 8802, 10809, 14412, 17604, 21618, 32427, 43236, 64854, 129708, 195763, 391526, 587289, 783052, 1174578, 1761867, 2349156, 3523734, 5285601, 7047468, 10571202, 21142404]

約数ペア:

[(1, 21142404), (2, 10571202), (3, 7047468), (4, 5285601), (6, 3523734), (9, 2349156), (12, 1761867), (18, 1174578), (27, 783052), (36, 587289), (54, 391526), (108, 195763), (163, 129708), (326, 64854), (489, 43236), (652, 32427), (978, 21618), (1201, 17604), (1467, 14412), (1956, 10809), (2402, 8802), (2934, 7206), (3603, 5868), (4401, 4804)]