2121964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 4170936

約数和(自身を除く): 2048972

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 169, 172, 292, 338, 559, 676, 949, 1118, 1898, 2236, 3139, 3796, 6278, 7267, 12337, 12556, 14534, 24674, 29068, 40807, 49348, 81614, 163228, 530491, 1060982, 2121964]

約数ペア:

[(1, 2121964), (2, 1060982), (4, 530491), (13, 163228), (26, 81614), (43, 49348), (52, 40807), (73, 29068), (86, 24674), (146, 14534), (169, 12556), (172, 12337), (292, 7267), (338, 6278), (559, 3796), (676, 3139), (949, 2236), (1118, 1898)]