21115663756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1485763}}^1$

素因数の和:1485814

約数の個数: 48

約数和(自身を含む): 44929503360

約数和(自身を除く): 23813839604

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 3553, 7106, 14212, 1485763, 2971526, 5943052, 16343393, 25257971, 28229497, 32686786, 50515942, 56458994, 65373572, 101031884, 112917988, 277837681, 310524467, 479901449, 555675362, 621048934, 959802898, 1111350724, 1242097868, 1919605796, 5278915939, 10557831878, 21115663756]

約数ペア:

[(1, 21115663756), (2, 10557831878), (4, 5278915939), (11, 1919605796), (17, 1242097868), (19, 1111350724), (22, 959802898), (34, 621048934), (38, 555675362), (44, 479901449), (68, 310524467), (76, 277837681), (187, 112917988), (209, 101031884), (323, 65373572), (374, 56458994), (418, 50515942), (646, 32686786), (748, 28229497), (836, 25257971), (1292, 16343393), (3553, 5943052), (7106, 2971526), (14212, 1485763)]