21931130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 45061920

約数和(自身を除く): 23130790

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 683, 845, 1235, 1366, 1690, 2470, 3211, 3415, 6422, 6830, 8879, 12977, 16055, 17758, 25954, 32110, 44395, 64885, 88790, 115427, 129770, 168701, 230854, 337402, 577135, 843505, 1154270, 1687010, 2193113, 4386226, 10965565, 21931130]

約数ペア:

[(1, 21931130), (2, 10965565), (5, 4386226), (10, 2193113), (13, 1687010), (19, 1154270), (26, 843505), (38, 577135), (65, 337402), (95, 230854), (130, 168701), (169, 129770), (190, 115427), (247, 88790), (338, 64885), (494, 44395), (683, 32110), (845, 25954), (1235, 17758), (1366, 16055), (1690, 12977), (2470, 8879), (3211, 6830), (3415, 6422)]