21410334

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1613

約数の個数: 48

約数和(自身を含む): 51352704

約数和(自身を除く): 29942370

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1523, 1562, 2343, 3046, 4569, 4686, 7029, 9138, 13707, 14058, 16753, 27414, 33506, 50259, 100518, 108133, 150777, 216266, 301554, 324399, 648798, 973197, 1189463, 1946394, 2378926, 3568389, 7136778, 10705167, 21410334]

約数ペア:

[(1, 21410334), (2, 10705167), (3, 7136778), (6, 3568389), (9, 2378926), (11, 1946394), (18, 1189463), (22, 973197), (33, 648798), (66, 324399), (71, 301554), (99, 216266), (142, 150777), (198, 108133), (213, 100518), (426, 50259), (639, 33506), (781, 27414), (1278, 16753), (1523, 14058), (1562, 13707), (2343, 9138), (3046, 7029), (4569, 4686)]