21119852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2269}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 40042800

約数和(自身を除く): 18922948

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2269, 2327, 4538, 4654, 9076, 9308, 29497, 58994, 117988, 406151, 812302, 1624604, 5279963, 10559926, 21119852]

約数ペア:

[(1, 21119852), (2, 10559926), (4, 5279963), (13, 1624604), (26, 812302), (52, 406151), (179, 117988), (358, 58994), (716, 29497), (2269, 9308), (2327, 9076), (4538, 4654)]