21422992

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 60

約数和(自身を含む): 45567396

約数和(自身を除く): 24144404

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 113, 136, 164, 226, 272, 289, 328, 452, 578, 656, 697, 904, 1156, 1394, 1808, 1921, 2312, 2788, 3842, 4624, 4633, 5576, 7684, 9266, 11152, 11849, 15368, 18532, 23698, 30736, 32657, 37064, 47396, 65314, 74128, 78761, 94792, 130628, 157522, 189584, 261256, 315044, 522512, 630088, 1260176, 1338937, 2677874, 5355748, 10711496, 21422992]

約数ペア:

[(1, 21422992), (2, 10711496), (4, 5355748), (8, 2677874), (16, 1338937), (17, 1260176), (34, 630088), (41, 522512), (68, 315044), (82, 261256), (113, 189584), (136, 157522), (164, 130628), (226, 94792), (272, 78761), (289, 74128), (328, 65314), (452, 47396), (578, 37064), (656, 32657), (697, 30736), (904, 23698), (1156, 18532), (1394, 15368), (1808, 11849), (1921, 11152), (2312, 9266), (2788, 7684), (3842, 5576), (4624, 4633)]