21564998

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16927}}^1$

素因数の和:16956

約数の個数: 24

約数和(自身を含む): 40525632

約数和(自身を除く): 18960634

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16927, 33854, 118489, 220051, 236978, 440102, 829423, 1540357, 1658846, 3080714, 10782499, 21564998]

約数ペア:

[(1, 21564998), (2, 10782499), (7, 3080714), (13, 1658846), (14, 1540357), (26, 829423), (49, 440102), (91, 236978), (98, 220051), (182, 118489), (637, 33854), (1274, 16927)]