21913432

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 42091200

約数和(自身を除く): 20177768

約数列:

[1, 2, 4, 8, 73, 146, 157, 239, 292, 314, 478, 584, 628, 956, 1256, 1912, 11461, 17447, 22922, 34894, 37523, 45844, 69788, 75046, 91688, 139576, 150092, 300184, 2739179, 5478358, 10956716, 21913432]

約数ペア:

[(1, 21913432), (2, 10956716), (4, 5478358), (8, 2739179), (73, 300184), (146, 150092), (157, 139576), (239, 91688), (292, 75046), (314, 69788), (478, 45844), (584, 37523), (628, 34894), (956, 22922), (1256, 17447), (1912, 11461)]