21505482

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 47927880

約数和(自身を除く): 26422398

約数列:

[1, 2, 3, 6, 9, 18, 97, 109, 113, 194, 218, 226, 291, 327, 339, 582, 654, 678, 873, 981, 1017, 1746, 1962, 2034, 10573, 10961, 12317, 21146, 21922, 24634, 31719, 32883, 36951, 63438, 65766, 73902, 95157, 98649, 110853, 190314, 197298, 221706, 1194749, 2389498, 3584247, 7168494, 10752741, 21505482]

約数ペア:

[(1, 21505482), (2, 10752741), (3, 7168494), (6, 3584247), (9, 2389498), (18, 1194749), (97, 221706), (109, 197298), (113, 190314), (194, 110853), (218, 98649), (226, 95157), (291, 73902), (327, 65766), (339, 63438), (582, 36951), (654, 32883), (678, 31719), (873, 24634), (981, 21922), (1017, 21146), (1746, 12317), (1962, 10961), (2034, 10573)]