21485586

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{210643}}^1$

素因数の和:210665

約数の個数: 16

約数和(自身を含む): 45499104

約数和(自身を除く): 24013518

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 210643, 421286, 631929, 1263858, 3580931, 7161862, 10742793, 21485586]

約数ペア:

[(1, 21485586), (2, 10742793), (3, 7161862), (6, 3580931), (17, 1263858), (34, 631929), (51, 421286), (102, 210643)]