21864584

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 50922090

約数和(自身を除く): 29057506

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 193, 196, 238, 289, 386, 392, 476, 578, 772, 833, 952, 1156, 1351, 1544, 1666, 2023, 2312, 2702, 3281, 3332, 4046, 5404, 6562, 6664, 8092, 9457, 10808, 13124, 14161, 16184, 18914, 22967, 26248, 28322, 37828, 45934, 55777, 56644, 75656, 91868, 111554, 113288, 160769, 183736, 223108, 321538, 390439, 446216, 643076, 780878, 1286152, 1561756, 2733073, 3123512, 5466146, 10932292, 21864584]

約数ペア:

[(1, 21864584), (2, 10932292), (4, 5466146), (7, 3123512), (8, 2733073), (14, 1561756), (17, 1286152), (28, 780878), (34, 643076), (49, 446216), (56, 390439), (68, 321538), (98, 223108), (119, 183736), (136, 160769), (193, 113288), (196, 111554), (238, 91868), (289, 75656), (386, 56644), (392, 55777), (476, 45934), (578, 37828), (772, 28322), (833, 26248), (952, 22967), (1156, 18914), (1351, 16184), (1544, 14161), (1666, 13124), (2023, 10808), (2312, 9457), (2702, 8092), (3281, 6664), (3332, 6562), (4046, 5404)]