21028706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{877}}^1$

素因数の和:1529

約数の個数: 16

約数和(自身を含む): 33293760

約数和(自身を除く): 12265054

約数列:

[1, 2, 19, 38, 631, 877, 1262, 1754, 11989, 16663, 23978, 33326, 553387, 1106774, 10514353, 21028706]

約数ペア:

[(1, 21028706), (2, 10514353), (19, 1106774), (38, 553387), (631, 33326), (877, 23978), (1262, 16663), (1754, 11989)]