21374276

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 26888764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2393, 4466, 4786, 8932, 9572, 16751, 26323, 33502, 52646, 67004, 69397, 105292, 138794, 184261, 277588, 368522, 485779, 737044, 763367, 971558, 1526734, 1943116, 3053468, 5343569, 10687138, 21374276]

約数ペア:

[(1, 21374276), (2, 10687138), (4, 5343569), (7, 3053468), (11, 1943116), (14, 1526734), (22, 971558), (28, 763367), (29, 737044), (44, 485779), (58, 368522), (77, 277588), (116, 184261), (154, 138794), (203, 105292), (308, 69397), (319, 67004), (406, 52646), (638, 33502), (812, 26323), (1276, 16751), (2233, 9572), (2393, 8932), (4466, 4786)]