21386464

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{60757}}^1$

素因数の和:60778

約数の個数: 24

約数和(自身を含む): 45933048

約数和(自身を除く): 24546584

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 60757, 121514, 243028, 486056, 668327, 972112, 1336654, 1944224, 2673308, 5346616, 10693232, 21386464]

約数ペア:

[(1, 21386464), (2, 10693232), (4, 5346616), (8, 2673308), (11, 1944224), (16, 1336654), (22, 972112), (32, 668327), (44, 486056), (88, 243028), (176, 121514), (352, 60757)]