21996540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{122203}}^1$

素因数の和:122218

約数の個数: 36

約数和(自身を含む): 66723384

約数和(自身を除く): 44726844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 122203, 244406, 366609, 488812, 611015, 733218, 1099827, 1222030, 1466436, 1833045, 2199654, 2444060, 3666090, 4399308, 5499135, 7332180, 10998270, 21996540]

約数ペア:

[(1, 21996540), (2, 10998270), (3, 7332180), (4, 5499135), (5, 4399308), (6, 3666090), (9, 2444060), (10, 2199654), (12, 1833045), (15, 1466436), (18, 1222030), (20, 1099827), (30, 733218), (36, 611015), (45, 488812), (60, 366609), (90, 244406), (180, 122203)]