21285152

素因数分解:

$2^5\times 7^1\times {\mathrm{167}}^1\times {\mathrm{569}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 26977888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 167, 224, 334, 569, 668, 1138, 1169, 1336, 2276, 2338, 2672, 3983, 4552, 4676, 5344, 7966, 9104, 9352, 15932, 18208, 18704, 31864, 37408, 63728, 95023, 127456, 190046, 380092, 665161, 760184, 1330322, 1520368, 2660644, 3040736, 5321288, 10642576, 21285152]

約数ペア:

[(1, 21285152), (2, 10642576), (4, 5321288), (7, 3040736), (8, 2660644), (14, 1520368), (16, 1330322), (28, 760184), (32, 665161), (56, 380092), (112, 190046), (167, 127456), (224, 95023), (334, 63728), (569, 37408), (668, 31864), (1138, 18704), (1169, 18208), (1336, 15932), (2276, 9352), (2338, 9104), (2672, 7966), (3983, 5344), (4552, 4676)]