21476501

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 23036400

約数和(自身を除く): 1559899

約数列:

[1, 29, 53, 89, 157, 1537, 2581, 4553, 4717, 8321, 13973, 136793, 241309, 405217, 740569, 21476501]

約数ペア:

[(1, 21476501), (29, 740569), (53, 405217), (89, 241309), (157, 136793), (1537, 13973), (2581, 8321), (4553, 4717)]