21525790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15053}}^1$

素因数の和:15084

約数の個数: 32

約数和(自身を含む): 45523296

約数和(自身を除く): 23997506

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15053, 30106, 75265, 150530, 165583, 195689, 331166, 391378, 827915, 978445, 1655830, 1956890, 2152579, 4305158, 10762895, 21525790]

約数ペア:

[(1, 21525790), (2, 10762895), (5, 4305158), (10, 2152579), (11, 1956890), (13, 1655830), (22, 978445), (26, 827915), (55, 391378), (65, 331166), (110, 195689), (130, 165583), (143, 150530), (286, 75265), (715, 30106), (1430, 15053)]