21945046

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 33574320

約数和(自身を除く): 11629274

約数列:

[1, 2, 67, 134, 389, 421, 778, 842, 26063, 28207, 52126, 56414, 163769, 327538, 10972523, 21945046]

約数ペア:

[(1, 21945046), (2, 10972523), (67, 327538), (134, 163769), (389, 56414), (421, 52126), (778, 28207), (842, 26063)]