21988516706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1789}}^1\times {\mathrm{16301}}^1$

素因数の和:18134

約数の個数: 32

約数和(自身を含む): 36767530800

約数和(自身を除く): 14779014094

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 1789, 3578, 16301, 23257, 32602, 46514, 51881, 103762, 211913, 423826, 472729, 674453, 945458, 1348906, 6145477, 12290954, 29162489, 58324978, 379112357, 758224714, 845712181, 1691424362, 10994258353, 21988516706]

約数ペア:

[(1, 21988516706), (2, 10994258353), (13, 1691424362), (26, 845712181), (29, 758224714), (58, 379112357), (377, 58324978), (754, 29162489), (1789, 12290954), (3578, 6145477), (16301, 1348906), (23257, 945458), (32602, 674453), (46514, 472729), (51881, 423826), (103762, 211913)]