21000891240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8333687}}^1$

素因数の和:8333711

約数の個数: 96

約数和(自身を含む): 78003319680

約数和(自身を除く): 57002428440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8333687, 16667374, 25001061, 33334748, 41668435, 50002122, 58335809, 66669496, 75003183, 83336870, 100004244, 116671618, 125005305, 150006366, 166673740, 175007427, 200008488, 233343236, 250010610, 291679045, 300012732, 333347480, 350014854, 375015915, 466686472, 500021220, 525022281, 583358090, 600025464, 700029708, 750031830, 875037135, 1000042440, 1050044562, 1166716180, 1400059416, 1500063660, 1750074270, 2100089124, 2333432360, 2625111405, 3000127320, 3500148540, 4200178248, 5250222810, 7000297080, 10500445620, 21000891240]

約数ペア:

[(1, 21000891240), (2, 10500445620), (3, 7000297080), (4, 5250222810), (5, 4200178248), (6, 3500148540), (7, 3000127320), (8, 2625111405), (9, 2333432360), (10, 2100089124), (12, 1750074270), (14, 1500063660), (15, 1400059416), (18, 1166716180), (20, 1050044562), (21, 1000042440), (24, 875037135), (28, 750031830), (30, 700029708), (35, 600025464), (36, 583358090), (40, 525022281), (42, 500021220), (45, 466686472), (56, 375015915), (60, 350014854), (63, 333347480), (70, 300012732), (72, 291679045), (84, 250010610), (90, 233343236), (105, 200008488), (120, 175007427), (126, 166673740), (140, 150006366), (168, 125005305), (180, 116671618), (210, 100004244), (252, 83336870), (280, 75003183), (315, 66669496), (360, 58335809), (420, 50002122), (504, 41668435), (630, 33334748), (840, 25001061), (1260, 16667374), (2520, 8333687)]