21377166

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 27283314

約数列:

[1, 2, 3, 6, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 138, 186, 263, 437, 526, 589, 713, 789, 874, 1178, 1311, 1426, 1578, 1767, 2139, 2622, 3534, 4278, 4997, 6049, 8153, 9994, 12098, 13547, 14991, 16306, 18147, 24459, 27094, 29982, 36294, 40641, 48918, 81282, 114931, 154907, 187519, 229862, 309814, 344793, 375038, 464721, 562557, 689586, 929442, 1125114, 3562861, 7125722, 10688583, 21377166]

約数ペア:

[(1, 21377166), (2, 10688583), (3, 7125722), (6, 3562861), (19, 1125114), (23, 929442), (31, 689586), (38, 562557), (46, 464721), (57, 375038), (62, 344793), (69, 309814), (93, 229862), (114, 187519), (138, 154907), (186, 114931), (263, 81282), (437, 48918), (526, 40641), (589, 36294), (713, 29982), (789, 27094), (874, 24459), (1178, 18147), (1311, 16306), (1426, 14991), (1578, 13547), (1767, 12098), (2139, 9994), (2622, 8153), (3534, 6049), (4278, 4997)]