21489014

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{607}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 33386496

約数和(自身を除く): 11897482

約数列:

[1, 2, 31, 62, 571, 607, 1142, 1214, 17701, 18817, 35402, 37634, 346597, 693194, 10744507, 21489014]

約数ペア:

[(1, 21489014), (2, 10744507), (31, 693194), (62, 346597), (571, 37634), (607, 35402), (1142, 18817), (1214, 17701)]