21780291294

素因数分解:

$2^1\times 3^2\times {\mathrm{653}}^1\times {\mathrm{1853011}}^1$

素因数の和:1853672

約数の個数: 24

約数和(自身を含む): 47262924072

約数和(自身を除く): 25482632778

約数列:

[1, 2, 3, 6, 9, 18, 653, 1306, 1959, 3918, 5877, 11754, 1853011, 3706022, 5559033, 11118066, 16677099, 33354198, 1210016183, 2420032366, 3630048549, 7260097098, 10890145647, 21780291294]

約数ペア:

[(1, 21780291294), (2, 10890145647), (3, 7260097098), (6, 3630048549), (9, 2420032366), (18, 1210016183), (653, 33354198), (1306, 16677099), (1959, 11118066), (3918, 5559033), (5877, 3706022), (11754, 1853011)]