21274080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 51882528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 47, 48, 60, 69, 80, 82, 92, 94, 96, 115, 120, 123, 138, 141, 160, 164, 184, 188, 205, 230, 235, 240, 246, 276, 282, 328, 345, 368, 376, 410, 460, 470, 480, 492, 552, 564, 615, 656, 690, 705, 736, 752, 820, 920, 940, 943, 984, 1081, 1104, 1128, 1230, 1312, 1380, 1410, 1504, 1640, 1840, 1880, 1886, 1927, 1968, 2162, 2208, 2256, 2460, 2760, 2820, 2829, 3243, 3280, 3680, 3760, 3772, 3854, 3936, 4324, 4512, 4715, 4920, 5405, 5520, 5640, 5658, 5781, 6486, 6560, 7520, 7544, 7708, 8648, 9430, 9635, 9840, 10810, 11040, 11280, 11316, 11562, 12972, 14145, 15088, 15416, 16215, 17296, 18860, 19270, 19680, 21620, 22560, 22632, 23124, 25944, 28290, 28905, 30176, 30832, 32430, 34592, 37720, 38540, 43240, 44321, 45264, 46248, 51888, 56580, 57810, 61664, 64860, 75440, 77080, 86480, 88642, 90528, 92496, 103776, 113160, 115620, 129720, 132963, 150880, 154160, 172960, 177284, 184992, 221605, 226320, 231240, 259440, 265926, 308320, 354568, 443210, 452640, 462480, 518880, 531852, 664815, 709136, 886420, 924960, 1063704, 1329630, 1418272, 1772840, 2127408, 2659260, 3545680, 4254816, 5318520, 7091360, 10637040, 21274080]

約数ペア:

[(1, 21274080), (2, 10637040), (3, 7091360), (4, 5318520), (5, 4254816), (6, 3545680), (8, 2659260), (10, 2127408), (12, 1772840), (15, 1418272), (16, 1329630), (20, 1063704), (23, 924960), (24, 886420), (30, 709136), (32, 664815), (40, 531852), (41, 518880), (46, 462480), (47, 452640), (48, 443210), (60, 354568), (69, 308320), (80, 265926), (82, 259440), (92, 231240), (94, 226320), (96, 221605), (115, 184992), (120, 177284), (123, 172960), (138, 154160), (141, 150880), (160, 132963), (164, 129720), (184, 115620), (188, 113160), (205, 103776), (230, 92496), (235, 90528), (240, 88642), (246, 86480), (276, 77080), (282, 75440), (328, 64860), (345, 61664), (368, 57810), (376, 56580), (410, 51888), (460, 46248), (470, 45264), (480, 44321), (492, 43240), (552, 38540), (564, 37720), (615, 34592), (656, 32430), (690, 30832), (705, 30176), (736, 28905), (752, 28290), (820, 25944), (920, 23124), (940, 22632), (943, 22560), (984, 21620), (1081, 19680), (1104, 19270), (1128, 18860), (1230, 17296), (1312, 16215), (1380, 15416), (1410, 15088), (1504, 14145), (1640, 12972), (1840, 11562), (1880, 11316), (1886, 11280), (1927, 11040), (1968, 10810), (2162, 9840), (2208, 9635), (2256, 9430), (2460, 8648), (2760, 7708), (2820, 7544), (2829, 7520), (3243, 6560), (3280, 6486), (3680, 5781), (3760, 5658), (3772, 5640), (3854, 5520), (3936, 5405), (4324, 4920), (4512, 4715)]