21947090500

素因数分解:

$2^2\times 5^3\times {\mathrm{313}}^1\times {\mathrm{140237}}^1$

素因数の和:140569

約数の個数: 48

約数和(自身を含む): 48085927344

約数和(自身を除く): 26138836844

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 313, 500, 626, 1252, 1565, 3130, 6260, 7825, 15650, 31300, 39125, 78250, 140237, 156500, 280474, 560948, 701185, 1402370, 2804740, 3505925, 7011850, 14023700, 17529625, 35059250, 43894181, 70118500, 87788362, 175576724, 219470905, 438941810, 877883620, 1097354525, 2194709050, 4389418100, 5486772625, 10973545250, 21947090500]

約数ペア:

[(1, 21947090500), (2, 10973545250), (4, 5486772625), (5, 4389418100), (10, 2194709050), (20, 1097354525), (25, 877883620), (50, 438941810), (100, 219470905), (125, 175576724), (250, 87788362), (313, 70118500), (500, 43894181), (626, 35059250), (1252, 17529625), (1565, 14023700), (3130, 7011850), (6260, 3505925), (7825, 2804740), (15650, 1402370), (31300, 701185), (39125, 560948), (78250, 280474), (140237, 156500)]