21497862138

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{53477269}}^1$

素因数の和:53477341

約数の個数: 16

約数和(自身を含む): 43637452320

約数和(自身を除く): 22139590182

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 53477269, 106954538, 160431807, 320863614, 3582977023, 7165954046, 10748931069, 21497862138]

約数ペア:

[(1, 21497862138), (2, 10748931069), (3, 7165954046), (6, 3582977023), (67, 320863614), (134, 160431807), (201, 106954538), (402, 53477269)]