21091014

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2293}}^1$

素因数の和:2381

約数の個数: 48

約数和(自身を含む): 52963872

約数和(自身を除く): 31872858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 2293, 3066, 4586, 4599, 6879, 9198, 13758, 16051, 20637, 32102, 41274, 48153, 96306, 144459, 167389, 288918, 334778, 502167, 1004334, 1171723, 1506501, 2343446, 3013002, 3515169, 7030338, 10545507, 21091014]

約数ペア:

[(1, 21091014), (2, 10545507), (3, 7030338), (6, 3515169), (7, 3013002), (9, 2343446), (14, 1506501), (18, 1171723), (21, 1004334), (42, 502167), (63, 334778), (73, 288918), (126, 167389), (146, 144459), (219, 96306), (438, 48153), (511, 41274), (657, 32102), (1022, 20637), (1314, 16051), (1533, 13758), (2293, 9198), (3066, 6879), (4586, 4599)]