21751284

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{78809}}^1$

素因数の和:78839

約数の個数: 24

約数和(自身を含む): 52960320

約数和(自身を除く): 31209036

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 78809, 157618, 236427, 315236, 472854, 945708, 1812607, 3625214, 5437821, 7250428, 10875642, 21751284]

約数ペア:

[(1, 21751284), (2, 10875642), (3, 7250428), (4, 5437821), (6, 3625214), (12, 1812607), (23, 945708), (46, 472854), (69, 315236), (92, 236427), (138, 157618), (276, 78809)]