21202972

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1657}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 42524384

約数和(自身を除く): 21321412

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1657, 1828, 3199, 3314, 6398, 6628, 11599, 12796, 23198, 46396, 757249, 1514498, 3028996, 5300743, 10601486, 21202972]

約数ペア:

[(1, 21202972), (2, 10601486), (4, 5300743), (7, 3028996), (14, 1514498), (28, 757249), (457, 46396), (914, 23198), (1657, 12796), (1828, 11599), (3199, 6628), (3314, 6398)]