21577943

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 23133600

約数和(自身を除く): 1555657

約数列:

[1, 29, 53, 101, 139, 1537, 2929, 4031, 5353, 7367, 14039, 155237, 213643, 407131, 744067, 21577943]

約数ペア:

[(1, 21577943), (29, 744067), (53, 407131), (101, 213643), (139, 155237), (1537, 14039), (2929, 7367), (4031, 5353)]