21000201626

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1\times {\mathrm{7229}}^1$

素因数の和:9278

約数の個数: 32

約数和(自身を含む): 34150818240

約数和(自身を除く): 13150616614

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 1987, 3974, 7229, 14458, 33779, 67558, 85441, 122893, 170882, 245786, 310847, 621694, 1452497, 2904994, 5284399, 10568798, 14364023, 28728046, 244188391, 488376782, 617652989, 1235305978, 10500100813, 21000201626]

約数ペア:

[(1, 21000201626), (2, 10500100813), (17, 1235305978), (34, 617652989), (43, 488376782), (86, 244188391), (731, 28728046), (1462, 14364023), (1987, 10568798), (3974, 5284399), (7229, 2904994), (14458, 1452497), (33779, 621694), (67558, 310847), (85441, 245786), (122893, 170882)]