21640500

素因数分解:

$2^2\times 3^3\times 5^3\times 7^1\times {\mathrm{229}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 80371200

約数和(自身を除く): 58730700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 125, 126, 135, 140, 150, 175, 180, 189, 210, 225, 229, 250, 252, 270, 300, 315, 350, 375, 378, 420, 450, 458, 500, 525, 540, 630, 675, 687, 700, 750, 756, 875, 900, 916, 945, 1050, 1125, 1145, 1260, 1350, 1374, 1500, 1575, 1603, 1750, 1890, 2061, 2100, 2250, 2290, 2625, 2700, 2748, 3150, 3206, 3375, 3435, 3500, 3780, 4122, 4500, 4580, 4725, 4809, 5250, 5725, 6183, 6300, 6412, 6750, 6870, 7875, 8015, 8244, 9450, 9618, 10305, 10500, 11450, 12366, 13500, 13740, 14427, 15750, 16030, 17175, 18900, 19236, 20610, 22900, 23625, 24045, 24732, 28625, 28854, 30915, 31500, 32060, 34350, 40075, 41220, 43281, 47250, 48090, 51525, 57250, 57708, 61830, 68700, 72135, 80150, 85875, 86562, 94500, 96180, 103050, 114500, 120225, 123660, 144270, 154575, 160300, 171750, 173124, 200375, 206100, 216405, 240450, 257625, 288540, 309150, 343500, 360675, 400750, 432810, 480900, 515250, 601125, 618300, 721350, 772875, 801500, 865620, 1030500, 1082025, 1202250, 1442700, 1545750, 1803375, 2164050, 2404500, 3091500, 3606750, 4328100, 5410125, 7213500, 10820250, 21640500]

約数ペア:

[(1, 21640500), (2, 10820250), (3, 7213500), (4, 5410125), (5, 4328100), (6, 3606750), (7, 3091500), (9, 2404500), (10, 2164050), (12, 1803375), (14, 1545750), (15, 1442700), (18, 1202250), (20, 1082025), (21, 1030500), (25, 865620), (27, 801500), (28, 772875), (30, 721350), (35, 618300), (36, 601125), (42, 515250), (45, 480900), (50, 432810), (54, 400750), (60, 360675), (63, 343500), (70, 309150), (75, 288540), (84, 257625), (90, 240450), (100, 216405), (105, 206100), (108, 200375), (125, 173124), (126, 171750), (135, 160300), (140, 154575), (150, 144270), (175, 123660), (180, 120225), (189, 114500), (210, 103050), (225, 96180), (229, 94500), (250, 86562), (252, 85875), (270, 80150), (300, 72135), (315, 68700), (350, 61830), (375, 57708), (378, 57250), (420, 51525), (450, 48090), (458, 47250), (500, 43281), (525, 41220), (540, 40075), (630, 34350), (675, 32060), (687, 31500), (700, 30915), (750, 28854), (756, 28625), (875, 24732), (900, 24045), (916, 23625), (945, 22900), (1050, 20610), (1125, 19236), (1145, 18900), (1260, 17175), (1350, 16030), (1374, 15750), (1500, 14427), (1575, 13740), (1603, 13500), (1750, 12366), (1890, 11450), (2061, 10500), (2100, 10305), (2250, 9618), (2290, 9450), (2625, 8244), (2700, 8015), (2748, 7875), (3150, 6870), (3206, 6750), (3375, 6412), (3435, 6300), (3500, 6183), (3780, 5725), (4122, 5250), (4500, 4809), (4580, 4725)]