21531180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 74027520

約数和(自身を除く): 52496340

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 19, 20, 22, 30, 33, 34, 38, 44, 51, 55, 57, 60, 66, 68, 76, 85, 95, 101, 102, 110, 114, 132, 165, 170, 187, 190, 202, 204, 209, 220, 228, 255, 285, 303, 323, 330, 340, 374, 380, 404, 418, 505, 510, 561, 570, 606, 627, 646, 660, 748, 836, 935, 969, 1010, 1020, 1045, 1111, 1122, 1140, 1212, 1254, 1292, 1515, 1615, 1717, 1870, 1919, 1938, 2020, 2090, 2222, 2244, 2508, 2805, 3030, 3135, 3230, 3333, 3434, 3553, 3740, 3838, 3876, 4180, 4444, 4845, 5151, 5555, 5610, 5757, 6060, 6270, 6460, 6666, 6868, 7106, 7676, 8585, 9595, 9690, 10302, 10659, 11110, 11220, 11514, 12540, 13332, 14212, 16665, 17170, 17765, 18887, 19190, 19380, 20604, 21109, 21318, 22220, 23028, 25755, 28785, 32623, 33330, 34340, 35530, 37774, 38380, 42218, 42636, 51510, 53295, 56661, 57570, 63327, 65246, 66660, 71060, 75548, 84436, 94435, 97869, 103020, 105545, 106590, 113322, 115140, 126654, 130492, 163115, 188870, 195738, 211090, 213180, 226644, 253308, 283305, 316635, 326230, 358853, 377740, 391476, 422180, 489345, 566610, 633270, 652460, 717706, 978690, 1076559, 1133220, 1266540, 1435412, 1794265, 1957380, 2153118, 3588530, 4306236, 5382795, 7177060, 10765590, 21531180]

約数ペア:

[(1, 21531180), (2, 10765590), (3, 7177060), (4, 5382795), (5, 4306236), (6, 3588530), (10, 2153118), (11, 1957380), (12, 1794265), (15, 1435412), (17, 1266540), (19, 1133220), (20, 1076559), (22, 978690), (30, 717706), (33, 652460), (34, 633270), (38, 566610), (44, 489345), (51, 422180), (55, 391476), (57, 377740), (60, 358853), (66, 326230), (68, 316635), (76, 283305), (85, 253308), (95, 226644), (101, 213180), (102, 211090), (110, 195738), (114, 188870), (132, 163115), (165, 130492), (170, 126654), (187, 115140), (190, 113322), (202, 106590), (204, 105545), (209, 103020), (220, 97869), (228, 94435), (255, 84436), (285, 75548), (303, 71060), (323, 66660), (330, 65246), (340, 63327), (374, 57570), (380, 56661), (404, 53295), (418, 51510), (505, 42636), (510, 42218), (561, 38380), (570, 37774), (606, 35530), (627, 34340), (646, 33330), (660, 32623), (748, 28785), (836, 25755), (935, 23028), (969, 22220), (1010, 21318), (1020, 21109), (1045, 20604), (1111, 19380), (1122, 19190), (1140, 18887), (1212, 17765), (1254, 17170), (1292, 16665), (1515, 14212), (1615, 13332), (1717, 12540), (1870, 11514), (1919, 11220), (1938, 11110), (2020, 10659), (2090, 10302), (2222, 9690), (2244, 9595), (2508, 8585), (2805, 7676), (3030, 7106), (3135, 6868), (3230, 6666), (3333, 6460), (3434, 6270), (3553, 6060), (3740, 5757), (3838, 5610), (3876, 5555), (4180, 5151), (4444, 4845)]