21821353

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 1973207

約数列:

[1, 17, 71, 101, 179, 1207, 1717, 3043, 7171, 12709, 18079, 121907, 216053, 307343, 1283609, 21821353]

約数ペア:

[(1, 21821353), (17, 1283609), (71, 307343), (101, 216053), (179, 121907), (1207, 18079), (1717, 12709), (3043, 7171)]