21211326

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{19973}}^1$

素因数の和:20040

約数の個数: 24

約数和(自身を含む): 46739160

約数和(自身を除く): 25527834

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 19973, 39946, 59919, 119838, 179757, 359514, 1178407, 2356814, 3535221, 7070442, 10605663, 21211326]

約数ペア:

[(1, 21211326), (2, 10605663), (3, 7070442), (6, 3535221), (9, 2356814), (18, 1178407), (59, 359514), (118, 179757), (177, 119838), (354, 59919), (531, 39946), (1062, 19973)]