21000604373

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{157427}}^1$

素因数の和:157529

約数の個数: 32

約数和(自身を含む): 27203558400

約数和(自身を除く): 6202954027

約数列:

[1, 7, 17, 19, 59, 119, 133, 323, 413, 1003, 1121, 2261, 7021, 7847, 19057, 133399, 157427, 1101989, 2676259, 2991113, 9288193, 18733813, 20937791, 50848921, 65017351, 157899281, 176475667, 355942447, 1105294967, 1235329669, 3000086339, 21000604373]

約数ペア:

[(1, 21000604373), (7, 3000086339), (17, 1235329669), (19, 1105294967), (59, 355942447), (119, 176475667), (133, 157899281), (323, 65017351), (413, 50848921), (1003, 20937791), (1121, 18733813), (2261, 9288193), (7021, 2991113), (7847, 2676259), (19057, 1101989), (133399, 157427)]