21134555475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{2447}}^1$

素因数の和:2538

約数の個数: 144

約数和(自身を含む): 41635192320

約数和(自身を除く): 20500636845

約数列:

[1, 3, 5, 11, 15, 19, 25, 29, 33, 55, 57, 75, 87, 95, 145, 165, 209, 275, 285, 319, 361, 435, 475, 551, 627, 725, 825, 957, 1045, 1083, 1425, 1595, 1653, 1805, 2175, 2447, 2755, 3135, 3971, 4785, 5225, 5415, 6061, 7341, 7975, 8265, 9025, 10469, 11913, 12235, 13775, 15675, 18183, 19855, 23925, 26917, 27075, 30305, 31407, 36705, 41325, 46493, 52345, 59565, 61175, 70963, 80751, 90915, 99275, 115159, 134585, 139479, 151525, 157035, 183525, 212889, 232465, 261725, 297825, 345477, 354815, 403755, 454575, 511423, 575795, 672925, 697395, 780593, 785175, 883367, 1064445, 1162325, 1348297, 1534269, 1727385, 1774075, 2018775, 2341779, 2557115, 2650101, 2878975, 3486975, 3902965, 4044891, 4416835, 5322225, 6741485, 7671345, 8636925, 9717037, 11708895, 12785575, 13250505, 14831267, 19514825, 20224455, 22084175, 25617643, 29151111, 33707425, 38356725, 44493801, 48585185, 58544475, 66252525, 74156335, 76852929, 101122275, 128088215, 145755555, 222469005, 242925925, 281794073, 370781675, 384264645, 640441075, 728777775, 845382219, 1112345025, 1408970365, 1921323225, 4226911095, 7044851825, 21134555475]

約数ペア:

[(1, 21134555475), (3, 7044851825), (5, 4226911095), (11, 1921323225), (15, 1408970365), (19, 1112345025), (25, 845382219), (29, 728777775), (33, 640441075), (55, 384264645), (57, 370781675), (75, 281794073), (87, 242925925), (95, 222469005), (145, 145755555), (165, 128088215), (209, 101122275), (275, 76852929), (285, 74156335), (319, 66252525), (361, 58544475), (435, 48585185), (475, 44493801), (551, 38356725), (627, 33707425), (725, 29151111), (825, 25617643), (957, 22084175), (1045, 20224455), (1083, 19514825), (1425, 14831267), (1595, 13250505), (1653, 12785575), (1805, 11708895), (2175, 9717037), (2447, 8636925), (2755, 7671345), (3135, 6741485), (3971, 5322225), (4785, 4416835), (5225, 4044891), (5415, 3902965), (6061, 3486975), (7341, 2878975), (7975, 2650101), (8265, 2557115), (9025, 2341779), (10469, 2018775), (11913, 1774075), (12235, 1727385), (13775, 1534269), (15675, 1348297), (18183, 1162325), (19855, 1064445), (23925, 883367), (26917, 785175), (27075, 780593), (30305, 697395), (31407, 672925), (36705, 575795), (41325, 511423), (46493, 454575), (52345, 403755), (59565, 354815), (61175, 345477), (70963, 297825), (80751, 261725), (90915, 232465), (99275, 212889), (115159, 183525), (134585, 157035), (139479, 151525)]