21821874

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{21023}}^1$

素因数の和:21201

約数の個数: 16

約数和(自身を含む): 43898112

約数和(自身を除く): 22076238

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 21023, 42046, 63069, 126138, 3636979, 7273958, 10910937, 21821874]

約数ペア:

[(1, 21821874), (2, 10910937), (3, 7273958), (6, 3636979), (173, 126138), (346, 63069), (519, 42046), (1038, 21023)]