21417032

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 52001280

約数和(自身を除く): 30584248

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 73, 91, 104, 124, 146, 169, 182, 217, 248, 292, 338, 364, 403, 434, 511, 584, 676, 728, 806, 868, 949, 1022, 1183, 1352, 1612, 1736, 1898, 2044, 2263, 2366, 2821, 3224, 3796, 4088, 4526, 4732, 5239, 5642, 6643, 7592, 9052, 9464, 10478, 11284, 12337, 13286, 15841, 18104, 20956, 22568, 24674, 26572, 29419, 31682, 36673, 41912, 49348, 53144, 58838, 63364, 73346, 86359, 98696, 117676, 126728, 146692, 172718, 205933, 235352, 293384, 345436, 382447, 411866, 690872, 764894, 823732, 1529788, 1647464, 2677129, 3059576, 5354258, 10708516, 21417032]

約数ペア:

[(1, 21417032), (2, 10708516), (4, 5354258), (7, 3059576), (8, 2677129), (13, 1647464), (14, 1529788), (26, 823732), (28, 764894), (31, 690872), (52, 411866), (56, 382447), (62, 345436), (73, 293384), (91, 235352), (104, 205933), (124, 172718), (146, 146692), (169, 126728), (182, 117676), (217, 98696), (248, 86359), (292, 73346), (338, 63364), (364, 58838), (403, 53144), (434, 49348), (511, 41912), (584, 36673), (676, 31682), (728, 29419), (806, 26572), (868, 24674), (949, 22568), (1022, 20956), (1183, 18104), (1352, 15841), (1612, 13286), (1736, 12337), (1898, 11284), (2044, 10478), (2263, 9464), (2366, 9052), (2821, 7592), (3224, 6643), (3796, 5642), (4088, 5239), (4526, 4732)]