21173132

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{523}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 38514000

約数和(自身を除く): 17340868

約数列:

[1, 2, 4, 29, 58, 116, 349, 523, 698, 1046, 1396, 2092, 10121, 15167, 20242, 30334, 40484, 60668, 182527, 365054, 730108, 5293283, 10586566, 21173132]

約数ペア:

[(1, 21173132), (2, 10586566), (4, 5293283), (29, 730108), (58, 365054), (116, 182527), (349, 60668), (523, 40484), (698, 30334), (1046, 20242), (1396, 15167), (2092, 10121)]