21998064

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 63103104

約数和(自身を除く): 41105040

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 61, 66, 88, 122, 132, 176, 183, 244, 264, 366, 488, 528, 671, 683, 732, 976, 1342, 1366, 1464, 2013, 2049, 2684, 2732, 2928, 4026, 4098, 5368, 5464, 7513, 8052, 8196, 10736, 10928, 15026, 16104, 16392, 22539, 30052, 32208, 32784, 41663, 45078, 60104, 83326, 90156, 120208, 124989, 166652, 180312, 249978, 333304, 360624, 458293, 499956, 666608, 916586, 999912, 1374879, 1833172, 1999824, 2749758, 3666344, 5499516, 7332688, 10999032, 21998064]

約数ペア:

[(1, 21998064), (2, 10999032), (3, 7332688), (4, 5499516), (6, 3666344), (8, 2749758), (11, 1999824), (12, 1833172), (16, 1374879), (22, 999912), (24, 916586), (33, 666608), (44, 499956), (48, 458293), (61, 360624), (66, 333304), (88, 249978), (122, 180312), (132, 166652), (176, 124989), (183, 120208), (244, 90156), (264, 83326), (366, 60104), (488, 45078), (528, 41663), (671, 32784), (683, 32208), (732, 30052), (976, 22539), (1342, 16392), (1366, 16104), (1464, 15026), (2013, 10928), (2049, 10736), (2684, 8196), (2732, 8052), (2928, 7513), (4026, 5464), (4098, 5368)]