21006098134

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{161563}}^1$

素因数の和:161860

約数の個数: 32

約数和(自身を含む): 37131284736

約数和(自身を除く): 16125186602

約数列:

[1, 2, 7, 14, 37, 74, 251, 259, 502, 518, 1757, 3514, 9287, 18574, 65009, 130018, 161563, 323126, 1130941, 2261882, 5977831, 11955662, 40552313, 41844817, 81104626, 83689634, 283866191, 567732382, 1500435581, 3000871162, 10503049067, 21006098134]

約数ペア:

[(1, 21006098134), (2, 10503049067), (7, 3000871162), (14, 1500435581), (37, 567732382), (74, 283866191), (251, 83689634), (259, 81104626), (502, 41844817), (518, 40552313), (1757, 11955662), (3514, 5977831), (9287, 2261882), (18574, 1130941), (65009, 323126), (130018, 161563)]