21527520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 79833600

約数和(自身を除く): 58306080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 96, 105, 112, 120, 129, 140, 149, 160, 168, 172, 210, 215, 224, 240, 258, 280, 298, 301, 336, 344, 420, 430, 447, 480, 516, 560, 596, 602, 645, 672, 688, 745, 840, 860, 894, 903, 1032, 1043, 1120, 1192, 1204, 1290, 1376, 1490, 1505, 1680, 1720, 1788, 1806, 2064, 2086, 2235, 2384, 2408, 2580, 2980, 3010, 3129, 3360, 3440, 3576, 3612, 4128, 4172, 4470, 4515, 4768, 4816, 5160, 5215, 5960, 6020, 6258, 6407, 6880, 7152, 7224, 8344, 8940, 9030, 9632, 10320, 10430, 11920, 12040, 12516, 12814, 14304, 14448, 15645, 16688, 17880, 18060, 19221, 20640, 20860, 23840, 24080, 25032, 25628, 28896, 31290, 32035, 33376, 35760, 36120, 38442, 41720, 44849, 48160, 50064, 51256, 62580, 64070, 71520, 72240, 76884, 83440, 89698, 96105, 100128, 102512, 125160, 128140, 134547, 144480, 153768, 166880, 179396, 192210, 205024, 224245, 250320, 256280, 269094, 307536, 358792, 384420, 448490, 500640, 512560, 538188, 615072, 672735, 717584, 768840, 896980, 1025120, 1076376, 1345470, 1435168, 1537680, 1793960, 2152752, 2690940, 3075360, 3587920, 4305504, 5381880, 7175840, 10763760, 21527520]

約数ペア:

[(1, 21527520), (2, 10763760), (3, 7175840), (4, 5381880), (5, 4305504), (6, 3587920), (7, 3075360), (8, 2690940), (10, 2152752), (12, 1793960), (14, 1537680), (15, 1435168), (16, 1345470), (20, 1076376), (21, 1025120), (24, 896980), (28, 768840), (30, 717584), (32, 672735), (35, 615072), (40, 538188), (42, 512560), (43, 500640), (48, 448490), (56, 384420), (60, 358792), (70, 307536), (80, 269094), (84, 256280), (86, 250320), (96, 224245), (105, 205024), (112, 192210), (120, 179396), (129, 166880), (140, 153768), (149, 144480), (160, 134547), (168, 128140), (172, 125160), (210, 102512), (215, 100128), (224, 96105), (240, 89698), (258, 83440), (280, 76884), (298, 72240), (301, 71520), (336, 64070), (344, 62580), (420, 51256), (430, 50064), (447, 48160), (480, 44849), (516, 41720), (560, 38442), (596, 36120), (602, 35760), (645, 33376), (672, 32035), (688, 31290), (745, 28896), (840, 25628), (860, 25032), (894, 24080), (903, 23840), (1032, 20860), (1043, 20640), (1120, 19221), (1192, 18060), (1204, 17880), (1290, 16688), (1376, 15645), (1490, 14448), (1505, 14304), (1680, 12814), (1720, 12516), (1788, 12040), (1806, 11920), (2064, 10430), (2086, 10320), (2235, 9632), (2384, 9030), (2408, 8940), (2580, 8344), (2980, 7224), (3010, 7152), (3129, 6880), (3360, 6407), (3440, 6258), (3576, 6020), (3612, 5960), (4128, 5215), (4172, 5160), (4470, 4816), (4515, 4768)]