21874870

素因数分解:

$2^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1777}}^1$

素因数の和:3015

約数の個数: 16

約数和(自身を含む): 39428928

約数和(自身を除く): 17554058

約数列:

[1, 2, 5, 10, 1231, 1777, 2462, 3554, 6155, 8885, 12310, 17770, 2187487, 4374974, 10937435, 21874870]

約数ペア:

[(1, 21874870), (2, 10937435), (5, 4374974), (10, 2187487), (1231, 17770), (1777, 12310), (2462, 8885), (3554, 6155)]