21693273

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 34897920

約数和(自身を除く): 13204647

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 709, 987, 1457, 2127, 4371, 4963, 10199, 14889, 21979, 30597, 33323, 65937, 99969, 153853, 233261, 461559, 699783, 1033013, 3099039, 7231091, 21693273]

約数ペア:

[(1, 21693273), (3, 7231091), (7, 3099039), (21, 1033013), (31, 699783), (47, 461559), (93, 233261), (141, 153853), (217, 99969), (329, 65937), (651, 33323), (709, 30597), (987, 21979), (1457, 14889), (2127, 10199), (4371, 4963)]