21100233

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13049}}^1$

素因数の和:13077

約数の個数: 24

約数和(自身を含む): 35704800

約数和(自身を除く): 14604567

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 13049, 39147, 91343, 143539, 274029, 430617, 639401, 1004773, 1918203, 3014319, 7033411, 21100233]

約数ペア:

[(1, 21100233), (3, 7033411), (7, 3014319), (11, 1918203), (21, 1004773), (33, 639401), (49, 430617), (77, 274029), (147, 143539), (231, 91343), (539, 39147), (1617, 13049)]