21238308

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2194

約数の個数: 96

約数和(自身を含む): 67800320

約数和(自身を除く): 46562012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2161, 2457, 3276, 4322, 4914, 6483, 8644, 9828, 12966, 15127, 19449, 25932, 28093, 30254, 38898, 45381, 56186, 58347, 60508, 77796, 84279, 90762, 112372, 116694, 136143, 168558, 181524, 196651, 233388, 252837, 272286, 337116, 393302, 408429, 505674, 544572, 589953, 758511, 786604, 816858, 1011348, 1179906, 1517022, 1633716, 1769859, 2359812, 3034044, 3539718, 5309577, 7079436, 10619154, 21238308]

約数ペア:

[(1, 21238308), (2, 10619154), (3, 7079436), (4, 5309577), (6, 3539718), (7, 3034044), (9, 2359812), (12, 1769859), (13, 1633716), (14, 1517022), (18, 1179906), (21, 1011348), (26, 816858), (27, 786604), (28, 758511), (36, 589953), (39, 544572), (42, 505674), (52, 408429), (54, 393302), (63, 337116), (78, 272286), (84, 252837), (91, 233388), (108, 196651), (117, 181524), (126, 168558), (156, 136143), (182, 116694), (189, 112372), (234, 90762), (252, 84279), (273, 77796), (351, 60508), (364, 58347), (378, 56186), (468, 45381), (546, 38898), (702, 30254), (756, 28093), (819, 25932), (1092, 19449), (1404, 15127), (1638, 12966), (2161, 9828), (2457, 8644), (3276, 6483), (4322, 4914)]