21321696

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 62246016

約数和(自身を除く): 40924320

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 61, 66, 88, 96, 122, 132, 176, 183, 244, 264, 331, 352, 366, 488, 528, 662, 671, 732, 976, 993, 1056, 1324, 1342, 1464, 1952, 1986, 2013, 2648, 2684, 2928, 3641, 3972, 4026, 5296, 5368, 5856, 7282, 7944, 8052, 10592, 10736, 10923, 14564, 15888, 16104, 20191, 21472, 21846, 29128, 31776, 32208, 40382, 43692, 58256, 60573, 64416, 80764, 87384, 116512, 121146, 161528, 174768, 222101, 242292, 323056, 349536, 444202, 484584, 646112, 666303, 888404, 969168, 1332606, 1776808, 1938336, 2665212, 3553616, 5330424, 7107232, 10660848, 21321696]

約数ペア:

[(1, 21321696), (2, 10660848), (3, 7107232), (4, 5330424), (6, 3553616), (8, 2665212), (11, 1938336), (12, 1776808), (16, 1332606), (22, 969168), (24, 888404), (32, 666303), (33, 646112), (44, 484584), (48, 444202), (61, 349536), (66, 323056), (88, 242292), (96, 222101), (122, 174768), (132, 161528), (176, 121146), (183, 116512), (244, 87384), (264, 80764), (331, 64416), (352, 60573), (366, 58256), (488, 43692), (528, 40382), (662, 32208), (671, 31776), (732, 29128), (976, 21846), (993, 21472), (1056, 20191), (1324, 16104), (1342, 15888), (1464, 14564), (1952, 10923), (1986, 10736), (2013, 10592), (2648, 8052), (2684, 7944), (2928, 7282), (3641, 5856), (3972, 5368), (4026, 5296)]