21100072

素因数分解:

$2^3\times 7^1\times {\mathrm{376787}}^1$

素因数の和:376800

約数の個数: 16

約数和(自身を含む): 45214560

約数和(自身を除く): 24114488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 376787, 753574, 1507148, 2637509, 3014296, 5275018, 10550036, 21100072]

約数ペア:

[(1, 21100072), (2, 10550036), (4, 5275018), (7, 3014296), (8, 2637509), (14, 1507148), (28, 753574), (56, 376787)]