21623823

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 33793760

約数和(自身を除く): 12169937

約数列:

[1, 3, 9, 13, 39, 117, 421, 439, 1263, 1317, 3789, 3951, 5473, 5707, 16419, 17121, 49257, 51363, 184819, 554457, 1663371, 2402647, 7207941, 21623823]

約数ペア:

[(1, 21623823), (3, 7207941), (9, 2402647), (13, 1663371), (39, 554457), (117, 184819), (421, 51363), (439, 49257), (1263, 17121), (1317, 16419), (3789, 5707), (3951, 5473)]