21721878

素因数分解:

$2^1\times 3^3\times {\mathrm{433}}^1\times {\mathrm{929}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 48434400

約数和(自身を除く): 26712522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 433, 866, 929, 1299, 1858, 2598, 2787, 3897, 5574, 7794, 8361, 11691, 16722, 23382, 25083, 50166, 402257, 804514, 1206771, 2413542, 3620313, 7240626, 10860939, 21721878]

約数ペア:

[(1, 21721878), (2, 10860939), (3, 7240626), (6, 3620313), (9, 2413542), (18, 1206771), (27, 804514), (54, 402257), (433, 50166), (866, 25083), (929, 23382), (1299, 16722), (1858, 11691), (2598, 8361), (2787, 7794), (3897, 5574)]