21713936

素因数分解:

$2^4\times {\mathrm{683}}^1\times {\mathrm{1987}}^1$

素因数の和:2678

約数の個数: 20

約数和(自身を含む): 42153552

約数和(自身を除く): 20439616

約数列:

[1, 2, 4, 8, 16, 683, 1366, 1987, 2732, 3974, 5464, 7948, 10928, 15896, 31792, 1357121, 2714242, 5428484, 10856968, 21713936]

約数ペア:

[(1, 21713936), (2, 10856968), (4, 5428484), (8, 2714242), (16, 1357121), (683, 31792), (1366, 15896), (1987, 10928), (2732, 7948), (3974, 5464)]