21653494

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{761}}^1$

素因数の和:1151

約数の個数: 16

約数和(自身を含む): 33412176

約数和(自身を除く): 11758682

約数列:

[1, 2, 41, 82, 347, 694, 761, 1522, 14227, 28454, 31201, 62402, 264067, 528134, 10826747, 21653494]

約数ペア:

[(1, 21653494), (2, 10826747), (41, 528134), (82, 264067), (347, 62402), (694, 31201), (761, 28454), (1522, 14227)]