21416488

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72353}}^1$

素因数の和:72396

約数の個数: 16

約数和(自身を含む): 41241780

約数和(自身を除く): 19825292

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72353, 144706, 289412, 578824, 2677061, 5354122, 10708244, 21416488]

約数ペア:

[(1, 21416488), (2, 10708244), (4, 5354122), (8, 2677061), (37, 578824), (74, 289412), (148, 144706), (296, 72353)]