21722418

素因数分解:

$2^1\times 3^4\times {\mathrm{134089}}^1$

素因数の和:134103

約数の個数: 20

約数和(自身を含む): 48674670

約数和(自身を除く): 26952252

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 134089, 268178, 402267, 804534, 1206801, 2413602, 3620403, 7240806, 10861209, 21722418]

約数ペア:

[(1, 21722418), (2, 10861209), (3, 7240806), (6, 3620403), (9, 2413602), (18, 1206801), (27, 804534), (54, 402267), (81, 268178), (162, 134089)]