21360360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 53289240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 413, 420, 431, 472, 590, 708, 826, 840, 862, 885, 1180, 1239, 1293, 1416, 1652, 1724, 1770, 2065, 2155, 2360, 2478, 2586, 3017, 3304, 3448, 3540, 4130, 4310, 4956, 5172, 6034, 6195, 6465, 7080, 8260, 8620, 9051, 9912, 10344, 12068, 12390, 12930, 15085, 16520, 17240, 18102, 24136, 24780, 25429, 25860, 30170, 36204, 45255, 49560, 50858, 51720, 60340, 72408, 76287, 90510, 101716, 120680, 127145, 152574, 178003, 181020, 203432, 254290, 305148, 356006, 362040, 381435, 508580, 534009, 610296, 712012, 762870, 890015, 1017160, 1068018, 1424024, 1525740, 1780030, 2136036, 2670045, 3051480, 3560060, 4272072, 5340090, 7120120, 10680180, 21360360]

約数ペア:

[(1, 21360360), (2, 10680180), (3, 7120120), (4, 5340090), (5, 4272072), (6, 3560060), (7, 3051480), (8, 2670045), (10, 2136036), (12, 1780030), (14, 1525740), (15, 1424024), (20, 1068018), (21, 1017160), (24, 890015), (28, 762870), (30, 712012), (35, 610296), (40, 534009), (42, 508580), (56, 381435), (59, 362040), (60, 356006), (70, 305148), (84, 254290), (105, 203432), (118, 181020), (120, 178003), (140, 152574), (168, 127145), (177, 120680), (210, 101716), (236, 90510), (280, 76287), (295, 72408), (354, 60340), (413, 51720), (420, 50858), (431, 49560), (472, 45255), (590, 36204), (708, 30170), (826, 25860), (840, 25429), (862, 24780), (885, 24136), (1180, 18102), (1239, 17240), (1293, 16520), (1416, 15085), (1652, 12930), (1724, 12390), (1770, 12068), (2065, 10344), (2155, 9912), (2360, 9051), (2478, 8620), (2586, 8260), (3017, 7080), (3304, 6465), (3448, 6195), (3540, 6034), (4130, 5172), (4310, 4956)]