21807364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6739

約数の個数: 24

約数和(自身を含む): 41111840

約数和(自身を除く): 19304476

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6673, 13346, 26692, 126787, 253574, 286939, 507148, 573878, 1147756, 5451841, 10903682, 21807364]

約数ペア:

[(1, 21807364), (2, 10903682), (4, 5451841), (19, 1147756), (38, 573878), (43, 507148), (76, 286939), (86, 253574), (172, 126787), (817, 26692), (1634, 13346), (3268, 6673)]