21729746

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 33286680

約数和(自身を除く): 11556934

約数列:

[1, 2, 97, 101, 194, 202, 1109, 2218, 9797, 19594, 107573, 112009, 215146, 224018, 10864873, 21729746]

約数ペア:

[(1, 21729746), (2, 10864873), (97, 224018), (101, 215146), (194, 112009), (202, 107573), (1109, 19594), (2218, 9797)]