21993414

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{26371}}^1$

素因数の和:26515

約数の個数: 16

約数和(自身を含む): 44304960

約数和(自身を除く): 22311546

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 26371, 52742, 79113, 158226, 3665569, 7331138, 10996707, 21993414]

約数ペア:

[(1, 21993414), (2, 10996707), (3, 7331138), (6, 3665569), (139, 158226), (278, 79113), (417, 52742), (834, 26371)]