21086770164

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{87481}}^1$

素因数の和:87920

約数の個数: 48

約数和(自身を含む): 50263657920

約数和(自身を除く): 29176887756

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 379, 636, 758, 1137, 1516, 2274, 4548, 20087, 40174, 60261, 80348, 87481, 120522, 174962, 241044, 262443, 349924, 524886, 1049772, 4636493, 9272986, 13909479, 18545972, 27818958, 33155299, 55637916, 66310598, 99465897, 132621196, 198931794, 397863588, 1757230847, 3514461694, 5271692541, 7028923388, 10543385082, 21086770164]

約数ペア:

[(1, 21086770164), (2, 10543385082), (3, 7028923388), (4, 5271692541), (6, 3514461694), (12, 1757230847), (53, 397863588), (106, 198931794), (159, 132621196), (212, 99465897), (318, 66310598), (379, 55637916), (636, 33155299), (758, 27818958), (1137, 18545972), (1516, 13909479), (2274, 9272986), (4548, 4636493), (20087, 1049772), (40174, 524886), (60261, 349924), (80348, 262443), (87481, 241044), (120522, 174962)]