21415210

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31963}}^1$

素因数の和:32037

約数の個数: 16

約数和(自身を含む): 39123936

約数和(自身を除く): 17708726

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31963, 63926, 159815, 319630, 2141521, 4283042, 10707605, 21415210]

約数ペア:

[(1, 21415210), (2, 10707605), (5, 4283042), (10, 2141521), (67, 319630), (134, 159815), (335, 63926), (670, 31963)]