21672406

素因数分解:

$2^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{787}}^1$

素因数の和:1084

約数の個数: 24

約数和(自身を含む): 37998936

約数和(自身を除く): 16326530

約数列:

[1, 2, 7, 14, 49, 98, 281, 562, 787, 1574, 1967, 3934, 5509, 11018, 13769, 27538, 38563, 77126, 221147, 442294, 1548029, 3096058, 10836203, 21672406]

約数ペア:

[(1, 21672406), (2, 10836203), (7, 3096058), (14, 1548029), (49, 442294), (98, 221147), (281, 77126), (562, 38563), (787, 27538), (1574, 13769), (1967, 11018), (3934, 5509)]