21452045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 8096755

約数列:

[1, 5, 17, 19, 37, 85, 95, 185, 323, 359, 629, 703, 1615, 1795, 3145, 3515, 6103, 6821, 11951, 13283, 30515, 34105, 59755, 66415, 115957, 225811, 252377, 579785, 1129055, 1261885, 4290409, 21452045]

約数ペア:

[(1, 21452045), (5, 4290409), (17, 1261885), (19, 1129055), (37, 579785), (85, 252377), (95, 225811), (185, 115957), (323, 66415), (359, 59755), (629, 34105), (703, 30515), (1615, 13283), (1795, 11951), (3145, 6821), (3515, 6103)]