21893770

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 40649040

約数和(自身を除く): 18755270

約数列:

[1, 2, 5, 10, 53, 101, 106, 202, 265, 409, 505, 530, 818, 1010, 2045, 4090, 5353, 10706, 21677, 26765, 41309, 43354, 53530, 82618, 108385, 206545, 216770, 413090, 2189377, 4378754, 10946885, 21893770]

約数ペア:

[(1, 21893770), (2, 10946885), (5, 4378754), (10, 2189377), (53, 413090), (101, 216770), (106, 206545), (202, 108385), (265, 82618), (409, 53530), (505, 43354), (530, 41309), (818, 26765), (1010, 21677), (2045, 10706), (4090, 5353)]