21195376

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35803}}^1$

素因数の和:35848

約数の個数: 20

約数和(自身を含む): 42177112

約数和(自身を除く): 20981736

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35803, 71606, 143212, 286424, 572848, 1324711, 2649422, 5298844, 10597688, 21195376]

約数ペア:

[(1, 21195376), (2, 10597688), (4, 5298844), (8, 2649422), (16, 1324711), (37, 572848), (74, 286424), (148, 143212), (296, 71606), (592, 35803)]