21774160

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5791}}^1$

素因数の和:5851

約数の個数: 40

約数和(自身を含む): 51710976

約数和(自身を除く): 29936816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5791, 11582, 23164, 28955, 46328, 57910, 92656, 115820, 231640, 272177, 463280, 544354, 1088708, 1360885, 2177416, 2721770, 4354832, 5443540, 10887080, 21774160]

約数ペア:

[(1, 21774160), (2, 10887080), (4, 5443540), (5, 4354832), (8, 2721770), (10, 2177416), (16, 1360885), (20, 1088708), (40, 544354), (47, 463280), (80, 272177), (94, 231640), (188, 115820), (235, 92656), (376, 57910), (470, 46328), (752, 28955), (940, 23164), (1880, 11582), (3760, 5791)]