21360468

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 52407936

約数和(自身を除く): 31047468

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 193, 276, 386, 401, 579, 772, 802, 1158, 1203, 1604, 2316, 2406, 4439, 4812, 8878, 9223, 13317, 17756, 18446, 26634, 27669, 36892, 53268, 55338, 77393, 110676, 154786, 232179, 309572, 464358, 928716, 1780039, 3560078, 5340117, 7120156, 10680234, 21360468]

約数ペア:

[(1, 21360468), (2, 10680234), (3, 7120156), (4, 5340117), (6, 3560078), (12, 1780039), (23, 928716), (46, 464358), (69, 309572), (92, 232179), (138, 154786), (193, 110676), (276, 77393), (386, 55338), (401, 53268), (579, 36892), (772, 27669), (802, 26634), (1158, 18446), (1203, 17756), (1604, 13317), (2316, 9223), (2406, 8878), (4439, 4812)]