21298384

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35977}}^1$

素因数の和:36022

約数の個数: 20

約数和(自身を含む): 42382084

約数和(自身を除く): 21083700

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35977, 71954, 143908, 287816, 575632, 1331149, 2662298, 5324596, 10649192, 21298384]

約数ペア:

[(1, 21298384), (2, 10649192), (4, 5324596), (8, 2662298), (16, 1331149), (37, 575632), (74, 287816), (148, 143908), (296, 71954), (592, 35977)]