21992072

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67049}}^1$

素因数の和:67096

約数の個数: 16

約数和(自身を含む): 42241500

約数和(自身を除く): 20249428

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 67049, 134098, 268196, 536392, 2749009, 5498018, 10996036, 21992072]

約数ペア:

[(1, 21992072), (2, 10996036), (4, 5498018), (8, 2749009), (41, 536392), (82, 268196), (164, 134098), (328, 67049)]