21863807

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 3779713

約数列:

[1, 7, 59, 167, 317, 413, 1169, 2219, 9853, 18703, 52939, 68971, 130921, 370573, 3123401, 21863807]

約数ペア:

[(1, 21863807), (7, 3123401), (59, 370573), (167, 130921), (317, 68971), (413, 52939), (1169, 18703), (2219, 9853)]