21900960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 76186656

約数和(自身を除く): 54285696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 227, 240, 268, 288, 335, 360, 402, 454, 480, 536, 603, 670, 681, 720, 804, 908, 1005, 1072, 1135, 1206, 1340, 1362, 1440, 1608, 1816, 2010, 2043, 2144, 2270, 2412, 2680, 2724, 3015, 3216, 3405, 3632, 4020, 4086, 4540, 4824, 5360, 5448, 6030, 6432, 6810, 7264, 8040, 8172, 9080, 9648, 10215, 10720, 10896, 12060, 13620, 15209, 16080, 16344, 18160, 19296, 20430, 21792, 24120, 27240, 30418, 32160, 32688, 36320, 40860, 45627, 48240, 54480, 60836, 65376, 76045, 81720, 91254, 96480, 108960, 121672, 136881, 152090, 163440, 182508, 228135, 243344, 273762, 304180, 326880, 365016, 456270, 486688, 547524, 608360, 684405, 730032, 912540, 1095048, 1216720, 1368810, 1460064, 1825080, 2190096, 2433440, 2737620, 3650160, 4380192, 5475240, 7300320, 10950480, 21900960]

約数ペア:

[(1, 21900960), (2, 10950480), (3, 7300320), (4, 5475240), (5, 4380192), (6, 3650160), (8, 2737620), (9, 2433440), (10, 2190096), (12, 1825080), (15, 1460064), (16, 1368810), (18, 1216720), (20, 1095048), (24, 912540), (30, 730032), (32, 684405), (36, 608360), (40, 547524), (45, 486688), (48, 456270), (60, 365016), (67, 326880), (72, 304180), (80, 273762), (90, 243344), (96, 228135), (120, 182508), (134, 163440), (144, 152090), (160, 136881), (180, 121672), (201, 108960), (227, 96480), (240, 91254), (268, 81720), (288, 76045), (335, 65376), (360, 60836), (402, 54480), (454, 48240), (480, 45627), (536, 40860), (603, 36320), (670, 32688), (681, 32160), (720, 30418), (804, 27240), (908, 24120), (1005, 21792), (1072, 20430), (1135, 19296), (1206, 18160), (1340, 16344), (1362, 16080), (1440, 15209), (1608, 13620), (1816, 12060), (2010, 10896), (2043, 10720), (2144, 10215), (2270, 9648), (2412, 9080), (2680, 8172), (2724, 8040), (3015, 7264), (3216, 6810), (3405, 6432), (3632, 6030), (4020, 5448), (4086, 5360), (4540, 4824)]