21596464

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3739}}^1$

素因数の和:3785

約数の個数: 30

約数和(自身を含む): 44173140

約数和(自身を除く): 22576676

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3739, 5776, 7478, 14956, 29912, 59824, 71041, 142082, 284164, 568328, 1136656, 1349779, 2699558, 5399116, 10798232, 21596464]

約数ペア:

[(1, 21596464), (2, 10798232), (4, 5399116), (8, 2699558), (16, 1349779), (19, 1136656), (38, 568328), (76, 284164), (152, 142082), (304, 71041), (361, 59824), (722, 29912), (1444, 14956), (2888, 7478), (3739, 5776)]