21294421862

素因数分解:

$2^1\times 7^2\times {\mathrm{829}}^1\times {\mathrm{262111}}^1$

素因数の和:262956

約数の個数: 24

約数和(自身を含む): 37201556160

約数和(自身を除く): 15907134298

約数列:

[1, 2, 7, 14, 49, 98, 829, 1658, 5803, 11606, 40621, 81242, 262111, 524222, 1834777, 3669554, 12843439, 25686878, 217290019, 434580038, 1521030133, 3042060266, 10647210931, 21294421862]

約数ペア:

[(1, 21294421862), (2, 10647210931), (7, 3042060266), (14, 1521030133), (49, 434580038), (98, 217290019), (829, 25686878), (1658, 12843439), (5803, 3669554), (11606, 1834777), (40621, 524222), (81242, 262111)]