21283592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 26072248

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 41, 44, 68, 82, 88, 136, 164, 187, 328, 347, 374, 451, 694, 697, 748, 902, 1388, 1394, 1496, 1804, 2776, 2788, 3608, 3817, 5576, 5899, 7634, 7667, 11798, 14227, 15268, 15334, 23596, 28454, 30536, 30668, 47192, 56908, 61336, 64889, 113816, 129778, 156497, 241859, 259556, 312994, 483718, 519112, 625988, 967436, 1251976, 1934872, 2660449, 5320898, 10641796, 21283592]

約数ペア:

[(1, 21283592), (2, 10641796), (4, 5320898), (8, 2660449), (11, 1934872), (17, 1251976), (22, 967436), (34, 625988), (41, 519112), (44, 483718), (68, 312994), (82, 259556), (88, 241859), (136, 156497), (164, 129778), (187, 113816), (328, 64889), (347, 61336), (374, 56908), (451, 47192), (694, 30668), (697, 30536), (748, 28454), (902, 23596), (1388, 15334), (1394, 15268), (1496, 14227), (1804, 11798), (2776, 7667), (2788, 7634), (3608, 5899), (3817, 5576)]