21798904

素因数分解:

$2^3\times {\mathrm{1217}}^1\times {\mathrm{2239}}^1$

素因数の和:3462

約数の個数: 16

約数和(自身を含む): 40924800

約数和(自身を除く): 19125896

約数列:

[1, 2, 4, 8, 1217, 2239, 2434, 4478, 4868, 8956, 9736, 17912, 2724863, 5449726, 10899452, 21798904]

約数ペア:

[(1, 21798904), (2, 10899452), (4, 5449726), (8, 2724863), (1217, 17912), (2239, 9736), (2434, 8956), (4478, 4868)]