21212222

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:883

約数の個数: 16

約数和(自身を含む): 32372352

約数和(自身を除く): 11160130

約数列:

[1, 2, 101, 173, 202, 346, 607, 1214, 17473, 34946, 61307, 105011, 122614, 210022, 10606111, 21212222]

約数ペア:

[(1, 21212222), (2, 10606111), (101, 210022), (173, 122614), (202, 105011), (346, 61307), (607, 34946), (1214, 17473)]