21669808

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{3631}}^1$

素因数の和:4012

約数の個数: 20

約数和(自身を含む): 42109408

約数和(自身を除く): 20439600

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 3631, 5968, 7262, 14524, 29048, 58096, 1354363, 2708726, 5417452, 10834904, 21669808]

約数ペア:

[(1, 21669808), (2, 10834904), (4, 5417452), (8, 2708726), (16, 1354363), (373, 58096), (746, 29048), (1492, 14524), (2984, 7262), (3631, 5968)]