21532964

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 40313364

約数和(自身を除く): 18780400

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 173, 346, 692, 841, 1073, 1682, 2146, 3364, 4292, 5017, 6401, 10034, 12802, 20068, 25604, 31117, 62234, 124468, 145493, 185629, 290986, 371258, 581972, 742516, 5383241, 10766482, 21532964]

約数ペア:

[(1, 21532964), (2, 10766482), (4, 5383241), (29, 742516), (37, 581972), (58, 371258), (74, 290986), (116, 185629), (148, 145493), (173, 124468), (346, 62234), (692, 31117), (841, 25604), (1073, 20068), (1682, 12802), (2146, 10034), (3364, 6401), (4292, 5017)]