21331684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13103}}^1$

素因数の和:13155

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 20496284

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13103, 26206, 52412, 144133, 288266, 484811, 576532, 969622, 1939244, 5332921, 10665842, 21331684]

約数ペア:

[(1, 21331684), (2, 10665842), (4, 5332921), (11, 1939244), (22, 969622), (37, 576532), (44, 484811), (74, 288266), (148, 144133), (407, 52412), (814, 26206), (1628, 13103)]