21461672

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86539}}^1$

素因数の和:86576

約数の個数: 16

約数和(自身を含む): 41539200

約数和(自身を除く): 20077528

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86539, 173078, 346156, 692312, 2682709, 5365418, 10730836, 21461672]

約数ペア:

[(1, 21461672), (2, 10730836), (4, 5365418), (8, 2682709), (31, 692312), (62, 346156), (124, 173078), (248, 86539)]