21227764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2383}}^1$

素因数の和:2535

約数の個数: 24

約数和(自身を含む): 39650688

約数和(自身を除く): 18422924

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2383, 4454, 4766, 8908, 9532, 40511, 81022, 162044, 312173, 624346, 1248692, 5306941, 10613882, 21227764]

約数ペア:

[(1, 21227764), (2, 10613882), (4, 5306941), (17, 1248692), (34, 624346), (68, 312173), (131, 162044), (262, 81022), (524, 40511), (2227, 9532), (2383, 8908), (4454, 4766)]