21281314

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 35569152

約数和(自身を除く): 14287838

約数列:

[1, 2, 17, 31, 34, 61, 62, 122, 331, 527, 662, 1037, 1054, 1891, 2074, 3782, 5627, 10261, 11254, 20191, 20522, 32147, 40382, 64294, 174437, 343247, 348874, 625921, 686494, 1251842, 10640657, 21281314]

約数ペア:

[(1, 21281314), (2, 10640657), (17, 1251842), (31, 686494), (34, 625921), (61, 348874), (62, 343247), (122, 174437), (331, 64294), (527, 40382), (662, 32147), (1037, 20522), (1054, 20191), (1891, 11254), (2074, 10261), (3782, 5627)]