21001229760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3125183}}^1$

素因数の和:3125210

約数の個数: 112

約数和(自身を含む): 76204486656

約数和(自身を除く): 55203256896

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, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 3125183, 6250366, 9375549, 12500732, 15625915, 18751098, 21876281, 25001464, 31251830, 37502196, 43752562, 46877745, 50002928, 62503660, 65628843, 75004392, 87505124, 93755490, 100005856, 109381405, 125007320, 131257686, 150008784, 175010248, 187510980, 200011712, 218762810, 250014640, 262515372, 300017568, 328144215, 350020496, 375021960, 437525620, 500029280, 525030744, 600035136, 656288430, 700040992, 750043920, 875051240, 1000058560, 1050061488, 1312576860, 1400081984, 1500087840, 1750102480, 2100122976, 2625153720, 3000175680, 3500204960, 4200245952, 5250307440, 7000409920, 10500614880, 21001229760]

約数ペア:

[(1, 21001229760), (2, 10500614880), (3, 7000409920), (4, 5250307440), (5, 4200245952), (6, 3500204960), (7, 3000175680), (8, 2625153720), (10, 2100122976), (12, 1750102480), (14, 1500087840), (15, 1400081984), (16, 1312576860), (20, 1050061488), (21, 1000058560), (24, 875051240), (28, 750043920), (30, 700040992), (32, 656288430), (35, 600035136), (40, 525030744), (42, 500029280), (48, 437525620), (56, 375021960), (60, 350020496), (64, 328144215), (70, 300017568), (80, 262515372), (84, 250014640), (96, 218762810), (105, 200011712), (112, 187510980), (120, 175010248), (140, 150008784), (160, 131257686), (168, 125007320), (192, 109381405), (210, 100005856), (224, 93755490), (240, 87505124), (280, 75004392), (320, 65628843), (336, 62503660), (420, 50002928), (448, 46877745), (480, 43752562), (560, 37502196), (672, 31251830), (840, 25001464), (960, 21876281), (1120, 18751098), (1344, 15625915), (1680, 12500732), (2240, 9375549), (3360, 6250366), (6720, 3125183)]