212858478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1689353}}^1$

素因数の和:1689368

約数の個数: 24

約数和(自身を含む): 527078448

約数和(自身を除く): 314219970

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1689353, 3378706, 5068059, 10136118, 11825471, 15204177, 23650942, 30408354, 35476413, 70952826, 106429239, 212858478]

約数ペア:

[(1, 212858478), (2, 106429239), (3, 70952826), (6, 35476413), (7, 30408354), (9, 23650942), (14, 15204177), (18, 11825471), (21, 10136118), (42, 5068059), (63, 3378706), (126, 1689353)]