21754838

素因数分解:

$2^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{1327}}^1$

素因数の和:2507

約数の個数: 16

約数和(自身を含む): 37353984

約数和(自身を除く): 15599146

約数列:

[1, 2, 7, 14, 1171, 1327, 2342, 2654, 8197, 9289, 16394, 18578, 1553917, 3107834, 10877419, 21754838]

約数ペア:

[(1, 21754838), (2, 10877419), (7, 3107834), (14, 1553917), (1171, 18578), (1327, 16394), (2342, 9289), (2654, 8197)]