21029123354420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1\times {\mathrm{769}}^1\times {\mathrm{18341}}^1$

素因数の和:19833

約数の個数: 96

約数和(自身を含む): 44645120593920

約数和(自身を除く): 23615997239500

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 587, 635, 769, 1174, 1270, 1538, 2348, 2540, 2935, 3076, 3845, 5870, 7690, 11740, 15380, 18341, 36682, 73364, 74549, 91705, 97663, 149098, 183410, 195326, 298196, 366820, 372745, 390652, 451403, 488315, 745490, 902806, 976630, 1490980, 1805612, 1953260, 2257015, 2329307, 4514030, 4658614, 9028060, 9317228, 10766167, 11646535, 14104229, 21532334, 23293070, 28208458, 43064668, 46586140, 53830835, 56416916, 57328181, 70521145, 107661670, 114656362, 141042290, 215323340, 229312724, 282084580, 286640905, 573281810, 1146563620, 1367303209, 1791237083, 2734606418, 3582474166, 5469212836, 6836516045, 7164948332, 8279182423, 8956185415, 13673032090, 16558364846, 17912370830, 27346064180, 33116729692, 35824741660, 41395912115, 82791824230, 165583648460, 1051456167721, 2102912335442, 4205824670884, 5257280838605, 10514561677210, 21029123354420]

約数ペア:

[(1, 21029123354420), (2, 10514561677210), (4, 5257280838605), (5, 4205824670884), (10, 2102912335442), (20, 1051456167721), (127, 165583648460), (254, 82791824230), (508, 41395912115), (587, 35824741660), (635, 33116729692), (769, 27346064180), (1174, 17912370830), (1270, 16558364846), (1538, 13673032090), (2348, 8956185415), (2540, 8279182423), (2935, 7164948332), (3076, 6836516045), (3845, 5469212836), (5870, 3582474166), (7690, 2734606418), (11740, 1791237083), (15380, 1367303209), (18341, 1146563620), (36682, 573281810), (73364, 286640905), (74549, 282084580), (91705, 229312724), (97663, 215323340), (149098, 141042290), (183410, 114656362), (195326, 107661670), (298196, 70521145), (366820, 57328181), (372745, 56416916), (390652, 53830835), (451403, 46586140), (488315, 43064668), (745490, 28208458), (902806, 23293070), (976630, 21532334), (1490980, 14104229), (1805612, 11646535), (1953260, 10766167), (2257015, 9317228), (2329307, 9028060), (4514030, 4658614)]