21665452144

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1\times {\mathrm{6271}}^1$

素因数の和:6678

約数の個数: 80

約数和(自身を含む): 48592445440

約数和(自身を除く): 26926993296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 283, 436, 566, 763, 872, 1132, 1526, 1744, 1981, 2264, 3052, 3962, 4528, 6104, 6271, 7924, 12208, 12542, 15848, 25084, 30847, 31696, 43897, 50168, 61694, 87794, 100336, 123388, 175588, 215929, 246776, 351176, 431858, 493552, 683539, 702352, 863716, 1367078, 1727432, 1774693, 2734156, 3454864, 3549386, 4784773, 5468312, 7098772, 9569546, 10936624, 12422851, 14197544, 19139092, 24845702, 28395088, 38278184, 49691404, 76556368, 99382808, 193441537, 198765616, 386883074, 773766148, 1354090759, 1547532296, 2708181518, 3095064592, 5416363036, 10832726072, 21665452144]

約数ペア:

[(1, 21665452144), (2, 10832726072), (4, 5416363036), (7, 3095064592), (8, 2708181518), (14, 1547532296), (16, 1354090759), (28, 773766148), (56, 386883074), (109, 198765616), (112, 193441537), (218, 99382808), (283, 76556368), (436, 49691404), (566, 38278184), (763, 28395088), (872, 24845702), (1132, 19139092), (1526, 14197544), (1744, 12422851), (1981, 10936624), (2264, 9569546), (3052, 7098772), (3962, 5468312), (4528, 4784773), (6104, 3549386), (6271, 3454864), (7924, 2734156), (12208, 1774693), (12542, 1727432), (15848, 1367078), (25084, 863716), (30847, 702352), (31696, 683539), (43897, 493552), (50168, 431858), (61694, 351176), (87794, 246776), (100336, 215929), (123388, 175588)]