21528154

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 35663760

約数和(自身を除く): 14135606

約数列:

[1, 2, 17, 34, 37, 74, 109, 157, 218, 314, 629, 1258, 1853, 2669, 3706, 4033, 5338, 5809, 8066, 11618, 17113, 34226, 68561, 98753, 137122, 197506, 290921, 581842, 633181, 1266362, 10764077, 21528154]

約数ペア:

[(1, 21528154), (2, 10764077), (17, 1266362), (34, 633181), (37, 581842), (74, 290921), (109, 197506), (157, 137122), (218, 98753), (314, 68561), (629, 34226), (1258, 17113), (1853, 11618), (2669, 8066), (3706, 5809), (4033, 5338)]