21573902

素因数分解:

$2^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1699}}^1$

素因数の和:2615

約数の個数: 16

約数和(自身を含む): 37046400

約数和(自身を除く): 15472498

約数列:

[1, 2, 7, 14, 907, 1699, 1814, 3398, 6349, 11893, 12698, 23786, 1540993, 3081986, 10786951, 21573902]

約数ペア:

[(1, 21573902), (2, 10786951), (7, 3081986), (14, 1540993), (907, 23786), (1699, 12698), (1814, 11893), (3398, 6349)]