21366800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:625

約数の個数: 120

約数和(自身を含む): 63287616

約数和(自身を除く): 41920816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 587, 650, 700, 728, 910, 1040, 1174, 1300, 1400, 1456, 1820, 2275, 2348, 2600, 2800, 2935, 3640, 4109, 4550, 4696, 5200, 5870, 7280, 7631, 8218, 9100, 9392, 11740, 14675, 15262, 16436, 18200, 20545, 23480, 29350, 30524, 32872, 36400, 38155, 41090, 46960, 53417, 58700, 61048, 65744, 76310, 82180, 102725, 106834, 117400, 122096, 152620, 164360, 190775, 205450, 213668, 234800, 267085, 305240, 328720, 381550, 410900, 427336, 534170, 610480, 763100, 821800, 854672, 1068340, 1335425, 1526200, 1643600, 2136680, 2670850, 3052400, 4273360, 5341700, 10683400, 21366800]

約数ペア:

[(1, 21366800), (2, 10683400), (4, 5341700), (5, 4273360), (7, 3052400), (8, 2670850), (10, 2136680), (13, 1643600), (14, 1526200), (16, 1335425), (20, 1068340), (25, 854672), (26, 821800), (28, 763100), (35, 610480), (40, 534170), (50, 427336), (52, 410900), (56, 381550), (65, 328720), (70, 305240), (80, 267085), (91, 234800), (100, 213668), (104, 205450), (112, 190775), (130, 164360), (140, 152620), (175, 122096), (182, 117400), (200, 106834), (208, 102725), (260, 82180), (280, 76310), (325, 65744), (350, 61048), (364, 58700), (400, 53417), (455, 46960), (520, 41090), (560, 38155), (587, 36400), (650, 32872), (700, 30524), (728, 29350), (910, 23480), (1040, 20545), (1174, 18200), (1300, 16436), (1400, 15262), (1456, 14675), (1820, 11740), (2275, 9392), (2348, 9100), (2600, 8218), (2800, 7631), (2935, 7280), (3640, 5870), (4109, 5200), (4550, 4696)]