21972808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19207}}^1$

素因数の和:19237

約数の個数: 32

約数和(自身を含む): 48404160

約数和(自身を除く): 26431352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 19207, 38414, 76828, 153656, 211277, 249691, 422554, 499382, 845108, 998764, 1690216, 1997528, 2746601, 5493202, 10986404, 21972808]

約数ペア:

[(1, 21972808), (2, 10986404), (4, 5493202), (8, 2746601), (11, 1997528), (13, 1690216), (22, 998764), (26, 845108), (44, 499382), (52, 422554), (88, 249691), (104, 211277), (143, 153656), (286, 76828), (572, 38414), (1144, 19207)]