21698607

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 12492753

約数列:

[1, 3, 7, 21, 59, 83, 177, 211, 249, 413, 581, 633, 1239, 1477, 1743, 4431, 4897, 12449, 14691, 17513, 34279, 37347, 52539, 87143, 102837, 122591, 261429, 367773, 1033267, 3099801, 7232869, 21698607]

約数ペア:

[(1, 21698607), (3, 7232869), (7, 3099801), (21, 1033267), (59, 367773), (83, 261429), (177, 122591), (211, 102837), (249, 87143), (413, 52539), (581, 37347), (633, 34279), (1239, 17513), (1477, 14691), (1743, 12449), (4431, 4897)]