21000905719924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{4622081}}^1$

素因数の和:4622281

約数の個数: 96

約数和(自身を含む): 43049701981440

約数和(自身を除く): 22048796261516

約数列:

[1, 2, 4, 13, 23, 26, 29, 46, 52, 58, 92, 116, 131, 262, 299, 377, 524, 598, 667, 754, 1196, 1334, 1508, 1703, 2668, 3013, 3406, 3799, 6026, 6812, 7598, 8671, 12052, 15196, 17342, 34684, 39169, 49387, 78338, 87377, 98774, 156676, 174754, 197548, 349508, 1135901, 2271802, 4543604, 4622081, 9244162, 18488324, 60087053, 106307863, 120174106, 134040349, 212615726, 240348212, 268080698, 425231452, 536161396, 605492611, 1210985222, 1382002219, 1742524537, 2421970444, 2764004438, 3082928027, 3485049074, 5528008876, 6165856054, 6970098148, 7871403943, 12331712108, 13926330053, 15742807886, 17559285719, 27852660106, 31485615772, 35118571438, 40078064351, 55705320212, 70237142876, 80156128702, 160312257404, 181042290689, 228270714347, 362084581378, 403863571537, 456541428694, 724169162756, 807727143074, 913082857388, 1615454286148, 5250226429981, 10500452859962, 21000905719924]

約数ペア:

[(1, 21000905719924), (2, 10500452859962), (4, 5250226429981), (13, 1615454286148), (23, 913082857388), (26, 807727143074), (29, 724169162756), (46, 456541428694), (52, 403863571537), (58, 362084581378), (92, 228270714347), (116, 181042290689), (131, 160312257404), (262, 80156128702), (299, 70237142876), (377, 55705320212), (524, 40078064351), (598, 35118571438), (667, 31485615772), (754, 27852660106), (1196, 17559285719), (1334, 15742807886), (1508, 13926330053), (1703, 12331712108), (2668, 7871403943), (3013, 6970098148), (3406, 6165856054), (3799, 5528008876), (6026, 3485049074), (6812, 3082928027), (7598, 2764004438), (8671, 2421970444), (12052, 1742524537), (15196, 1382002219), (17342, 1210985222), (34684, 605492611), (39169, 536161396), (49387, 425231452), (78338, 268080698), (87377, 240348212), (98774, 212615726), (156676, 134040349), (174754, 120174106), (197548, 106307863), (349508, 60087053), (1135901, 18488324), (2271802, 9244162), (4543604, 4622081)]