21525638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 35754048

約数和(自身を除く): 14228410

約数列:

[1, 2, 17, 34, 37, 71, 74, 142, 241, 482, 629, 1207, 1258, 2414, 2627, 4097, 5254, 8194, 8917, 17111, 17834, 34222, 44659, 89318, 151589, 290887, 303178, 581774, 633107, 1266214, 10762819, 21525638]

約数ペア:

[(1, 21525638), (2, 10762819), (17, 1266214), (34, 633107), (37, 581774), (71, 303178), (74, 290887), (142, 151589), (241, 89318), (482, 44659), (629, 34222), (1207, 17834), (1258, 17111), (2414, 8917), (2627, 8194), (4097, 5254)]