21264725950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{317621}}^1$

素因数の和:317749

約数の個数: 48

約数和(自身を含む): 43008559776

約数和(自身を除く): 21743833826

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 206, 325, 515, 650, 1030, 1339, 2575, 2678, 5150, 6695, 13390, 33475, 66950, 317621, 635242, 1588105, 3176210, 4129073, 7940525, 8258146, 15881050, 20645365, 32714963, 41290730, 65429926, 103226825, 163574815, 206453650, 327149630, 425294519, 817874075, 850589038, 1635748150, 2126472595, 4252945190, 10632362975, 21264725950]

約数ペア:

[(1, 21264725950), (2, 10632362975), (5, 4252945190), (10, 2126472595), (13, 1635748150), (25, 850589038), (26, 817874075), (50, 425294519), (65, 327149630), (103, 206453650), (130, 163574815), (206, 103226825), (325, 65429926), (515, 41290730), (650, 32714963), (1030, 20645365), (1339, 15881050), (2575, 8258146), (2678, 7940525), (5150, 4129073), (6695, 3176210), (13390, 1588105), (33475, 635242), (66950, 317621)]