21056152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{691}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 42724080

約数和(自身を除く): 21667928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 293, 586, 691, 1172, 1382, 2344, 2764, 3809, 5528, 7618, 8983, 15236, 17966, 30472, 35932, 71864, 202463, 404926, 809852, 1619704, 2632019, 5264038, 10528076, 21056152]

約数ペア:

[(1, 21056152), (2, 10528076), (4, 5264038), (8, 2632019), (13, 1619704), (26, 809852), (52, 404926), (104, 202463), (293, 71864), (586, 35932), (691, 30472), (1172, 17966), (1382, 15236), (2344, 8983), (2764, 7618), (3809, 5528)]