21229112

素因数分解:

$2^3\times {\mathrm{673}}^1\times {\mathrm{3943}}^1$

素因数の和:4622

約数の個数: 16

約数和(自身を含む): 39873840

約数和(自身を除く): 18644728

約数列:

[1, 2, 4, 8, 673, 1346, 2692, 3943, 5384, 7886, 15772, 31544, 2653639, 5307278, 10614556, 21229112]

約数ペア:

[(1, 21229112), (2, 10614556), (4, 5307278), (8, 2653639), (673, 31544), (1346, 15772), (2692, 7886), (3943, 5384)]