21093488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101411}}^1$

素因数の和:101432

約数の個数: 20

約数和(自身を含む): 44012808

約数和(自身を除く): 22919320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101411, 202822, 405644, 811288, 1318343, 1622576, 2636686, 5273372, 10546744, 21093488]

約数ペア:

[(1, 21093488), (2, 10546744), (4, 5273372), (8, 2636686), (13, 1622576), (16, 1318343), (26, 811288), (52, 405644), (104, 202822), (208, 101411)]