21499606320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{80777}}^1$

素因数の和:81902

約数の個数: 80

約数和(自身を含む): 66709703520

約数和(自身を除く): 45210097200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1109, 2218, 3327, 4436, 5545, 6654, 8872, 11090, 13308, 16635, 17744, 22180, 26616, 33270, 44360, 53232, 66540, 80777, 88720, 133080, 161554, 242331, 266160, 323108, 403885, 484662, 646216, 807770, 969324, 1211655, 1292432, 1615540, 1938648, 2423310, 3231080, 3877296, 4846620, 6462160, 9693240, 19386480, 89581693, 179163386, 268745079, 358326772, 447908465, 537490158, 716653544, 895816930, 1074980316, 1343725395, 1433307088, 1791633860, 2149960632, 2687450790, 3583267720, 4299921264, 5374901580, 7166535440, 10749803160, 21499606320]

約数ペア:

[(1, 21499606320), (2, 10749803160), (3, 7166535440), (4, 5374901580), (5, 4299921264), (6, 3583267720), (8, 2687450790), (10, 2149960632), (12, 1791633860), (15, 1433307088), (16, 1343725395), (20, 1074980316), (24, 895816930), (30, 716653544), (40, 537490158), (48, 447908465), (60, 358326772), (80, 268745079), (120, 179163386), (240, 89581693), (1109, 19386480), (2218, 9693240), (3327, 6462160), (4436, 4846620), (5545, 3877296), (6654, 3231080), (8872, 2423310), (11090, 1938648), (13308, 1615540), (16635, 1292432), (17744, 1211655), (22180, 969324), (26616, 807770), (33270, 646216), (44360, 484662), (53232, 403885), (66540, 323108), (80777, 266160), (88720, 242331), (133080, 161554)]