21908072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{88339}}^1$

素因数の和:88376

約数の個数: 16

約数和(自身を含む): 42403200

約数和(自身を除く): 20495128

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 88339, 176678, 353356, 706712, 2738509, 5477018, 10954036, 21908072]

約数ペア:

[(1, 21908072), (2, 10954036), (4, 5477018), (8, 2738509), (31, 706712), (62, 353356), (124, 176678), (248, 88339)]