21712954920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{97859}}^1$

素因数の和:97959

約数の個数: 96

約数和(自身を含む): 66689632800

約数和(自身を除く): 44976677880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 1849, 2580, 3698, 5160, 5547, 7396, 9245, 11094, 14792, 18490, 22188, 27735, 36980, 44376, 55470, 73960, 97859, 110940, 195718, 221880, 293577, 391436, 489295, 587154, 782872, 978590, 1174308, 1467885, 1957180, 2348616, 2935770, 3914360, 4207937, 5871540, 8415874, 11743080, 12623811, 16831748, 21039685, 25247622, 33663496, 42079370, 50495244, 63119055, 84158740, 100990488, 126238110, 168317480, 180941291, 252476220, 361882582, 504952440, 542823873, 723765164, 904706455, 1085647746, 1447530328, 1809412910, 2171295492, 2714119365, 3618825820, 4342590984, 5428238730, 7237651640, 10856477460, 21712954920]

約数ペア:

[(1, 21712954920), (2, 10856477460), (3, 7237651640), (4, 5428238730), (5, 4342590984), (6, 3618825820), (8, 2714119365), (10, 2171295492), (12, 1809412910), (15, 1447530328), (20, 1085647746), (24, 904706455), (30, 723765164), (40, 542823873), (43, 504952440), (60, 361882582), (86, 252476220), (120, 180941291), (129, 168317480), (172, 126238110), (215, 100990488), (258, 84158740), (344, 63119055), (430, 50495244), (516, 42079370), (645, 33663496), (860, 25247622), (1032, 21039685), (1290, 16831748), (1720, 12623811), (1849, 11743080), (2580, 8415874), (3698, 5871540), (5160, 4207937), (5547, 3914360), (7396, 2935770), (9245, 2348616), (11094, 1957180), (14792, 1467885), (18490, 1174308), (22188, 978590), (27735, 782872), (36980, 587154), (44376, 489295), (55470, 391436), (73960, 293577), (97859, 221880), (110940, 195718)]