21704988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{106397}}^1$

素因数の和:106421

約数の個数: 24

約数和(自身を含む): 53624592

約数和(自身を除く): 31919604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 106397, 212794, 319191, 425588, 638382, 1276764, 1808749, 3617498, 5426247, 7234996, 10852494, 21704988]

約数ペア:

[(1, 21704988), (2, 10852494), (3, 7234996), (4, 5426247), (6, 3617498), (12, 1808749), (17, 1276764), (34, 638382), (51, 425588), (68, 319191), (102, 212794), (204, 106397)]