21983075

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 28444608

約数和(自身を除く): 6461533

約数列:

[1, 5, 25, 47, 53, 235, 265, 353, 1175, 1325, 1765, 2491, 8825, 12455, 16591, 18709, 62275, 82955, 93545, 414775, 467725, 879323, 4396615, 21983075]

約数ペア:

[(1, 21983075), (5, 4396615), (25, 879323), (47, 467725), (53, 414775), (235, 93545), (265, 82955), (353, 62275), (1175, 18709), (1325, 16591), (1765, 12455), (2491, 8825)]