21472528

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 53746560

約数和(自身を除く): 32274032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 601, 616, 638, 812, 1202, 1232, 1276, 1624, 2233, 2404, 2552, 3248, 4207, 4466, 4808, 5104, 6611, 8414, 8932, 9616, 13222, 16828, 17429, 17864, 26444, 33656, 34858, 35728, 46277, 52888, 67312, 69716, 92554, 105776, 122003, 139432, 185108, 191719, 244006, 278864, 370216, 383438, 488012, 740432, 766876, 976024, 1342033, 1533752, 1952048, 2684066, 3067504, 5368132, 10736264, 21472528]

約数ペア:

[(1, 21472528), (2, 10736264), (4, 5368132), (7, 3067504), (8, 2684066), (11, 1952048), (14, 1533752), (16, 1342033), (22, 976024), (28, 766876), (29, 740432), (44, 488012), (56, 383438), (58, 370216), (77, 278864), (88, 244006), (112, 191719), (116, 185108), (154, 139432), (176, 122003), (203, 105776), (232, 92554), (308, 69716), (319, 67312), (406, 52888), (464, 46277), (601, 35728), (616, 34858), (638, 33656), (812, 26444), (1202, 17864), (1232, 17429), (1276, 16828), (1624, 13222), (2233, 9616), (2404, 8932), (2552, 8414), (3248, 6611), (4207, 5104), (4466, 4808)]