21549308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6709}}^1$

素因数の和:6797

約数の個数: 24

約数和(自身を含む): 41709360

約数和(自身を除く): 20160052

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6709, 13418, 26836, 73799, 147598, 295196, 489757, 979514, 1959028, 5387327, 10774654, 21549308]

約数ペア:

[(1, 21549308), (2, 10774654), (4, 5387327), (11, 1959028), (22, 979514), (44, 489757), (73, 295196), (146, 147598), (292, 73799), (803, 26836), (1606, 13418), (3212, 6709)]