21031755376

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{613}}^1\times {\mathrm{73943}}^1$

素因数の和:74593

約数の個数: 40

約数和(自身を含む): 42223502880

約数和(自身を除く): 21191747504

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 613, 1226, 2452, 4904, 9808, 17777, 35554, 71108, 73943, 142216, 147886, 284432, 295772, 591544, 1183088, 2144347, 4288694, 8577388, 17154776, 34309552, 45327059, 90654118, 181308236, 362616472, 725232944, 1314484711, 2628969422, 5257938844, 10515877688, 21031755376]

約数ペア:

[(1, 21031755376), (2, 10515877688), (4, 5257938844), (8, 2628969422), (16, 1314484711), (29, 725232944), (58, 362616472), (116, 181308236), (232, 90654118), (464, 45327059), (613, 34309552), (1226, 17154776), (2452, 8577388), (4904, 4288694), (9808, 2144347), (17777, 1183088), (35554, 591544), (71108, 295772), (73943, 284432), (142216, 147886)]