21736697080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{86161}}^1$

素因数の和:86249

約数の個数: 128

約数和(自身を含む): 60299614080

約数和(自身を除く): 38562917000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 170, 212, 238, 265, 280, 340, 371, 424, 476, 530, 595, 680, 742, 901, 952, 1060, 1190, 1484, 1802, 1855, 2120, 2380, 2968, 3604, 3710, 4505, 4760, 6307, 7208, 7420, 9010, 12614, 14840, 18020, 25228, 31535, 36040, 50456, 63070, 86161, 126140, 172322, 252280, 344644, 430805, 603127, 689288, 861610, 1206254, 1464737, 1723220, 2412508, 2929474, 3015635, 3446440, 4566533, 4825016, 5858948, 6031270, 7323685, 9133066, 10253159, 11717896, 12062540, 14647370, 18266132, 20506318, 22832665, 24125080, 29294740, 31965731, 36532264, 41012636, 45665330, 51265795, 58589480, 63931462, 77631061, 82025272, 91330660, 102531590, 127862924, 155262122, 159828655, 182661320, 205063180, 255725848, 310524244, 319657310, 388155305, 410126360, 543417427, 621048488, 639314620, 776310610, 1086834854, 1278629240, 1552621220, 2173669708, 2717087135, 3105242440, 4347339416, 5434174270, 10868348540, 21736697080]

約数ペア:

[(1, 21736697080), (2, 10868348540), (4, 5434174270), (5, 4347339416), (7, 3105242440), (8, 2717087135), (10, 2173669708), (14, 1552621220), (17, 1278629240), (20, 1086834854), (28, 776310610), (34, 639314620), (35, 621048488), (40, 543417427), (53, 410126360), (56, 388155305), (68, 319657310), (70, 310524244), (85, 255725848), (106, 205063180), (119, 182661320), (136, 159828655), (140, 155262122), (170, 127862924), (212, 102531590), (238, 91330660), (265, 82025272), (280, 77631061), (340, 63931462), (371, 58589480), (424, 51265795), (476, 45665330), (530, 41012636), (595, 36532264), (680, 31965731), (742, 29294740), (901, 24125080), (952, 22832665), (1060, 20506318), (1190, 18266132), (1484, 14647370), (1802, 12062540), (1855, 11717896), (2120, 10253159), (2380, 9133066), (2968, 7323685), (3604, 6031270), (3710, 5858948), (4505, 4825016), (4760, 4566533), (6307, 3446440), (7208, 3015635), (7420, 2929474), (9010, 2412508), (12614, 1723220), (14840, 1464737), (18020, 1206254), (25228, 861610), (31535, 689288), (36040, 603127), (50456, 430805), (63070, 344644), (86161, 252280), (126140, 172322)]