21799197

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1511}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 36167040

約数和(自身を除く): 14367843

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1511, 1603, 2061, 4533, 4809, 10577, 13599, 14427, 31731, 95193, 346019, 1038057, 2422133, 3114171, 7266399, 21799197]

約数ペア:

[(1, 21799197), (3, 7266399), (7, 3114171), (9, 2422133), (21, 1038057), (63, 346019), (229, 95193), (687, 31731), (1511, 14427), (1603, 13599), (2061, 10577), (4533, 4809)]