21231964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1783}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 40211360

約数和(自身を除く): 18979396

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1783, 2977, 3566, 5954, 7132, 11908, 23179, 46358, 92716, 408307, 816614, 1633228, 5307991, 10615982, 21231964]

約数ペア:

[(1, 21231964), (2, 10615982), (4, 5307991), (13, 1633228), (26, 816614), (52, 408307), (229, 92716), (458, 46358), (916, 23179), (1783, 11908), (2977, 7132), (3566, 5954)]