21906390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66383}}^1$

素因数の和:66404

約数の個数: 32

約数和(自身を含む): 57355776

約数和(自身を除く): 35449386

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 66383, 132766, 199149, 331915, 398298, 663830, 730213, 995745, 1460426, 1991490, 2190639, 3651065, 4381278, 7302130, 10953195, 21906390]

約数ペア:

[(1, 21906390), (2, 10953195), (3, 7302130), (5, 4381278), (6, 3651065), (10, 2190639), (11, 1991490), (15, 1460426), (22, 995745), (30, 730213), (33, 663830), (55, 398298), (66, 331915), (110, 199149), (165, 132766), (330, 66383)]