21494858

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4813}}^1$

素因数の和:4862

約数の個数: 32

約数和(自身を含む): 41592960

約数和(自身を除く): 20098102

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4813, 9626, 33691, 52943, 67382, 105886, 139577, 279154, 370601, 741202, 977039, 1535347, 1954078, 3070694, 10747429, 21494858]

約数ペア:

[(1, 21494858), (2, 10747429), (7, 3070694), (11, 1954078), (14, 1535347), (22, 977039), (29, 741202), (58, 370601), (77, 279154), (154, 139577), (203, 105886), (319, 67382), (406, 52943), (638, 33691), (2233, 9626), (4466, 4813)]