21497572

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 38304000

約数和(自身を除く): 16806428

約数列:

[1, 2, 4, 113, 199, 226, 239, 398, 452, 478, 796, 956, 22487, 27007, 44974, 47561, 54014, 89948, 95122, 108028, 190244, 5374393, 10748786, 21497572]

約数ペア:

[(1, 21497572), (2, 10748786), (4, 5374393), (113, 190244), (199, 108028), (226, 95122), (239, 89948), (398, 54014), (452, 47561), (478, 44974), (796, 27007), (956, 22487)]