21113116

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1237}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 39308976

約数和(自身を除く): 18195860

約数列:

[1, 2, 4, 17, 34, 68, 251, 502, 1004, 1237, 2474, 4267, 4948, 8534, 17068, 21029, 42058, 84116, 310487, 620974, 1241948, 5278279, 10556558, 21113116]

約数ペア:

[(1, 21113116), (2, 10556558), (4, 5278279), (17, 1241948), (34, 620974), (68, 310487), (251, 84116), (502, 42058), (1004, 21029), (1237, 17068), (2474, 8534), (4267, 4948)]