21109837920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{51679}}^1$

素因数の和:51757

約数の個数: 192

約数和(自身を含む): 71263825920

約数和(自身を除く): 50153988000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 37, 40, 46, 48, 60, 69, 74, 80, 92, 96, 111, 115, 120, 138, 148, 160, 184, 185, 222, 230, 240, 276, 296, 345, 368, 370, 444, 460, 480, 552, 555, 592, 690, 736, 740, 851, 888, 920, 1104, 1110, 1184, 1380, 1480, 1702, 1776, 1840, 2208, 2220, 2553, 2760, 2960, 3404, 3552, 3680, 4255, 4440, 5106, 5520, 5920, 6808, 8510, 8880, 10212, 11040, 12765, 13616, 17020, 17760, 20424, 25530, 27232, 34040, 40848, 51060, 51679, 68080, 81696, 102120, 103358, 136160, 155037, 204240, 206716, 258395, 310074, 408480, 413432, 516790, 620148, 775185, 826864, 1033580, 1188617, 1240296, 1550370, 1653728, 1912123, 2067160, 2377234, 2480592, 3100740, 3565851, 3824246, 4134320, 4754468, 4961184, 5736369, 5943085, 6201480, 7131702, 7648492, 8268640, 9508936, 9560615, 11472738, 11886170, 12402960, 14263404, 15296984, 17829255, 19017872, 19121230, 22945476, 23772340, 24805920, 28526808, 28681845, 30593968, 35658510, 38035744, 38242460, 43978829, 45890952, 47544680, 57053616, 57363690, 61187936, 71317020, 76484920, 87957658, 91781904, 95089360, 114107232, 114727380, 131936487, 142634040, 152969840, 175915316, 183563808, 190178720, 219894145, 229454760, 263872974, 285268080, 305939680, 351830632, 439788290, 458909520, 527745948, 570536160, 659682435, 703661264, 879576580, 917819040, 1055491896, 1319364870, 1407322528, 1759153160, 2110983792, 2638729740, 3518306320, 4221967584, 5277459480, 7036612640, 10554918960, 21109837920]

約数ペア:

[(1, 21109837920), (2, 10554918960), (3, 7036612640), (4, 5277459480), (5, 4221967584), (6, 3518306320), (8, 2638729740), (10, 2110983792), (12, 1759153160), (15, 1407322528), (16, 1319364870), (20, 1055491896), (23, 917819040), (24, 879576580), (30, 703661264), (32, 659682435), (37, 570536160), (40, 527745948), (46, 458909520), (48, 439788290), (60, 351830632), (69, 305939680), (74, 285268080), (80, 263872974), (92, 229454760), (96, 219894145), (111, 190178720), (115, 183563808), (120, 175915316), (138, 152969840), (148, 142634040), (160, 131936487), (184, 114727380), (185, 114107232), (222, 95089360), (230, 91781904), (240, 87957658), (276, 76484920), (296, 71317020), (345, 61187936), (368, 57363690), (370, 57053616), (444, 47544680), (460, 45890952), (480, 43978829), (552, 38242460), (555, 38035744), (592, 35658510), (690, 30593968), (736, 28681845), (740, 28526808), (851, 24805920), (888, 23772340), (920, 22945476), (1104, 19121230), (1110, 19017872), (1184, 17829255), (1380, 15296984), (1480, 14263404), (1702, 12402960), (1776, 11886170), (1840, 11472738), (2208, 9560615), (2220, 9508936), (2553, 8268640), (2760, 7648492), (2960, 7131702), (3404, 6201480), (3552, 5943085), (3680, 5736369), (4255, 4961184), (4440, 4754468), (5106, 4134320), (5520, 3824246), (5920, 3565851), (6808, 3100740), (8510, 2480592), (8880, 2377234), (10212, 2067160), (11040, 1912123), (12765, 1653728), (13616, 1550370), (17020, 1240296), (17760, 1188617), (20424, 1033580), (25530, 826864), (27232, 775185), (34040, 620148), (40848, 516790), (51060, 413432), (51679, 408480), (68080, 310074), (81696, 258395), (102120, 206716), (103358, 204240), (136160, 155037)]