21384904

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{45307}}^1$

素因数の和:45372

約数の個数: 16

約数和(自身を含む): 40777200

約数和(自身を除く): 19392296

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 45307, 90614, 181228, 362456, 2673113, 5346226, 10692452, 21384904]

約数ペア:

[(1, 21384904), (2, 10692452), (4, 5346226), (8, 2673113), (59, 362456), (118, 181228), (236, 90614), (472, 45307)]