21155276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{5273}}^1$

素因数の和:5353

約数の個数: 24

約数和(自身を含む): 39871440

約数和(自身を除く): 18716164

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 1003, 2006, 4012, 5273, 10546, 21092, 89641, 179282, 311107, 358564, 622214, 1244428, 5288819, 10577638, 21155276]

約数ペア:

[(1, 21155276), (2, 10577638), (4, 5288819), (17, 1244428), (34, 622214), (59, 358564), (68, 311107), (118, 179282), (236, 89641), (1003, 21092), (2006, 10546), (4012, 5273)]