21352656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1844

約数の個数: 80

約数和(自身を含む): 62565440

約数和(自身を除く): 41212784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1801, 1976, 2964, 3602, 3952, 5403, 5928, 7204, 10806, 11856, 14408, 21612, 23413, 28816, 34219, 43224, 46826, 68438, 70239, 86448, 93652, 102657, 136876, 140478, 187304, 205314, 273752, 280956, 374608, 410628, 444847, 547504, 561912, 821256, 889694, 1123824, 1334541, 1642512, 1779388, 2669082, 3558776, 5338164, 7117552, 10676328, 21352656]

約数ペア:

[(1, 21352656), (2, 10676328), (3, 7117552), (4, 5338164), (6, 3558776), (8, 2669082), (12, 1779388), (13, 1642512), (16, 1334541), (19, 1123824), (24, 889694), (26, 821256), (38, 561912), (39, 547504), (48, 444847), (52, 410628), (57, 374608), (76, 280956), (78, 273752), (104, 205314), (114, 187304), (152, 140478), (156, 136876), (208, 102657), (228, 93652), (247, 86448), (304, 70239), (312, 68438), (456, 46826), (494, 43224), (624, 34219), (741, 28816), (912, 23413), (988, 21612), (1482, 14408), (1801, 11856), (1976, 10806), (2964, 7204), (3602, 5928), (3952, 5403)]