21259266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{506173}}^1$

素因数の和:506185

約数の個数: 16

約数和(自身を含む): 48592704

約数和(自身を除く): 27333438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 506173, 1012346, 1518519, 3037038, 3543211, 7086422, 10629633, 21259266]

約数ペア:

[(1, 21259266), (2, 10629633), (3, 7086422), (6, 3543211), (7, 3037038), (14, 1518519), (21, 1012346), (42, 506173)]