21813978

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8677}}^1$

素因数の和:9101

約数の個数: 16

約数和(自身を含む): 43737120

約数和(自身を除く): 21923142

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8677, 17354, 26031, 52062, 3635663, 7271326, 10906989, 21813978]

約数ペア:

[(1, 21813978), (2, 10906989), (3, 7271326), (6, 3635663), (419, 52062), (838, 26031), (1257, 17354), (2514, 8677)]