21489268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1433}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 39509568

約数和(自身を除く): 18020300

約数列:

[1, 2, 4, 23, 46, 92, 163, 326, 652, 1433, 2866, 3749, 5732, 7498, 14996, 32959, 65918, 131836, 233579, 467158, 934316, 5372317, 10744634, 21489268]

約数ペア:

[(1, 21489268), (2, 10744634), (4, 5372317), (23, 934316), (46, 467158), (92, 233579), (163, 131836), (326, 65918), (652, 32959), (1433, 14996), (2866, 7498), (3749, 5732)]