21958455428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{763613}}^1$

素因数の和:763716

約数の個数: 48

約数和(自身を含む): 47893870080

約数和(自身を除く): 25935414652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 1027, 1106, 2054, 2212, 4108, 7189, 14378, 28756, 763613, 1527226, 3054452, 5345291, 9926969, 10690582, 19853938, 21381164, 39707876, 60325427, 69488783, 120650854, 138977566, 241301708, 277955132, 422277989, 784230551, 844555978, 1568461102, 1689111956, 3136922204, 5489613857, 10979227714, 21958455428]

約数ペア:

[(1, 21958455428), (2, 10979227714), (4, 5489613857), (7, 3136922204), (13, 1689111956), (14, 1568461102), (26, 844555978), (28, 784230551), (52, 422277989), (79, 277955132), (91, 241301708), (158, 138977566), (182, 120650854), (316, 69488783), (364, 60325427), (553, 39707876), (1027, 21381164), (1106, 19853938), (2054, 10690582), (2212, 9926969), (4108, 5345291), (7189, 3054452), (14378, 1527226), (28756, 763613)]