21091257900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{7681}}^1$

素因数の和:7823

約数の個数: 216

約数和(自身を含む): 69173583024

約数和(自身を除く): 48082325124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 113, 135, 150, 162, 180, 225, 226, 243, 270, 300, 324, 339, 405, 450, 452, 486, 540, 565, 675, 678, 810, 900, 972, 1017, 1130, 1215, 1350, 1356, 1620, 1695, 2025, 2034, 2260, 2430, 2700, 2825, 3051, 3390, 4050, 4068, 4860, 5085, 5650, 6075, 6102, 6780, 7681, 8100, 8475, 9153, 10170, 11300, 12150, 12204, 15255, 15362, 16950, 18306, 20340, 23043, 24300, 25425, 27459, 30510, 30724, 33900, 36612, 38405, 45765, 46086, 50850, 54918, 61020, 69129, 76275, 76810, 91530, 92172, 101700, 109836, 115215, 137295, 138258, 152550, 153620, 183060, 192025, 207387, 228825, 230430, 274590, 276516, 305100, 345645, 384050, 414774, 457650, 460860, 549180, 576075, 622161, 686475, 691290, 768100, 829548, 867953, 915300, 1036935, 1152150, 1244322, 1372950, 1382580, 1728225, 1735906, 1866483, 2073870, 2304300, 2488644, 2603859, 2745900, 3110805, 3456450, 3471812, 3732966, 4147740, 4339765, 5184675, 5207718, 6221610, 6912900, 7465932, 7811577, 8679530, 9332415, 10369350, 10415436, 12443220, 13019295, 15554025, 15623154, 17359060, 18664830, 20738700, 21698825, 23434731, 26038590, 31108050, 31246308, 37329660, 39057885, 43397650, 46662075, 46869462, 52077180, 62216100, 65096475, 70304193, 78115770, 86795300, 93324150, 93738924, 117173655, 130192950, 140608386, 156231540, 186648300, 195289425, 210912579, 234347310, 260385900, 281216772, 351520965, 390578850, 421825158, 468694620, 585868275, 703041930, 781157700, 843650316, 1054562895, 1171736550, 1406083860, 1757604825, 2109125790, 2343473100, 3515209650, 4218251580, 5272814475, 7030419300, 10545628950, 21091257900]

約数ペア:

[(1, 21091257900), (2, 10545628950), (3, 7030419300), (4, 5272814475), (5, 4218251580), (6, 3515209650), (9, 2343473100), (10, 2109125790), (12, 1757604825), (15, 1406083860), (18, 1171736550), (20, 1054562895), (25, 843650316), (27, 781157700), (30, 703041930), (36, 585868275), (45, 468694620), (50, 421825158), (54, 390578850), (60, 351520965), (75, 281216772), (81, 260385900), (90, 234347310), (100, 210912579), (108, 195289425), (113, 186648300), (135, 156231540), (150, 140608386), (162, 130192950), (180, 117173655), (225, 93738924), (226, 93324150), (243, 86795300), (270, 78115770), (300, 70304193), (324, 65096475), (339, 62216100), (405, 52077180), (450, 46869462), (452, 46662075), (486, 43397650), (540, 39057885), (565, 37329660), (675, 31246308), (678, 31108050), (810, 26038590), (900, 23434731), (972, 21698825), (1017, 20738700), (1130, 18664830), (1215, 17359060), (1350, 15623154), (1356, 15554025), (1620, 13019295), (1695, 12443220), (2025, 10415436), (2034, 10369350), (2260, 9332415), (2430, 8679530), (2700, 7811577), (2825, 7465932), (3051, 6912900), (3390, 6221610), (4050, 5207718), (4068, 5184675), (4860, 4339765), (5085, 4147740), (5650, 3732966), (6075, 3471812), (6102, 3456450), (6780, 3110805), (7681, 2745900), (8100, 2603859), (8475, 2488644), (9153, 2304300), (10170, 2073870), (11300, 1866483), (12150, 1735906), (12204, 1728225), (15255, 1382580), (15362, 1372950), (16950, 1244322), (18306, 1152150), (20340, 1036935), (23043, 915300), (24300, 867953), (25425, 829548), (27459, 768100), (30510, 691290), (30724, 686475), (33900, 622161), (36612, 576075), (38405, 549180), (45765, 460860), (46086, 457650), (50850, 414774), (54918, 384050), (61020, 345645), (69129, 305100), (76275, 276516), (76810, 274590), (91530, 230430), (92172, 228825), (101700, 207387), (109836, 192025), (115215, 183060), (137295, 153620), (138258, 152550)]