21816480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 80898048

約数和(自身を除く): 59081568

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, 151, 160, 168, 172, 210, 215, 224, 240, 258, 280, 301, 302, 336, 344, 420, 430, 453, 480, 516, 560, 602, 604, 645, 672, 688, 755, 840, 860, 903, 906, 1032, 1057, 1120, 1204, 1208, 1290, 1376, 1505, 1510, 1680, 1720, 1806, 1812, 2064, 2114, 2265, 2408, 2416, 2580, 3010, 3020, 3171, 3360, 3440, 3612, 3624, 4128, 4228, 4515, 4530, 4816, 4832, 5160, 5285, 6020, 6040, 6342, 6493, 6880, 7224, 7248, 8456, 9030, 9060, 9632, 10320, 10570, 12040, 12080, 12684, 12986, 14448, 14496, 15855, 16912, 18060, 18120, 19479, 20640, 21140, 24080, 24160, 25368, 25972, 28896, 31710, 32465, 33824, 36120, 36240, 38958, 42280, 45451, 48160, 50736, 51944, 63420, 64930, 72240, 72480, 77916, 84560, 90902, 97395, 101472, 103888, 126840, 129860, 136353, 144480, 155832, 169120, 181804, 194790, 207776, 227255, 253680, 259720, 272706, 311664, 363608, 389580, 454510, 507360, 519440, 545412, 623328, 681765, 727216, 779160, 909020, 1038880, 1090824, 1363530, 1454432, 1558320, 1818040, 2181648, 2727060, 3116640, 3636080, 4363296, 5454120, 7272160, 10908240, 21816480]

約数ペア:

[(1, 21816480), (2, 10908240), (3, 7272160), (4, 5454120), (5, 4363296), (6, 3636080), (7, 3116640), (8, 2727060), (10, 2181648), (12, 1818040), (14, 1558320), (15, 1454432), (16, 1363530), (20, 1090824), (21, 1038880), (24, 909020), (28, 779160), (30, 727216), (32, 681765), (35, 623328), (40, 545412), (42, 519440), (43, 507360), (48, 454510), (56, 389580), (60, 363608), (70, 311664), (80, 272706), (84, 259720), (86, 253680), (96, 227255), (105, 207776), (112, 194790), (120, 181804), (129, 169120), (140, 155832), (151, 144480), (160, 136353), (168, 129860), (172, 126840), (210, 103888), (215, 101472), (224, 97395), (240, 90902), (258, 84560), (280, 77916), (301, 72480), (302, 72240), (336, 64930), (344, 63420), (420, 51944), (430, 50736), (453, 48160), (480, 45451), (516, 42280), (560, 38958), (602, 36240), (604, 36120), (645, 33824), (672, 32465), (688, 31710), (755, 28896), (840, 25972), (860, 25368), (903, 24160), (906, 24080), (1032, 21140), (1057, 20640), (1120, 19479), (1204, 18120), (1208, 18060), (1290, 16912), (1376, 15855), (1505, 14496), (1510, 14448), (1680, 12986), (1720, 12684), (1806, 12080), (1812, 12040), (2064, 10570), (2114, 10320), (2265, 9632), (2408, 9060), (2416, 9030), (2580, 8456), (3010, 7248), (3020, 7224), (3171, 6880), (3360, 6493), (3440, 6342), (3612, 6040), (3624, 6020), (4128, 5285), (4228, 5160), (4515, 4832), (4530, 4816)]