21000306636

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5451793}}^1$

素因数の和:5451910

約数の個数: 36

約数和(自身を含む): 53580231432

約数和(自身を除く): 32579924796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5451793, 10903586, 16355379, 21807172, 32710758, 49066137, 65421516, 98132274, 196264548, 583341851, 1166683702, 1750025553, 2333367404, 3500051106, 5250076659, 7000102212, 10500153318, 21000306636]

約数ペア:

[(1, 21000306636), (2, 10500153318), (3, 7000102212), (4, 5250076659), (6, 3500051106), (9, 2333367404), (12, 1750025553), (18, 1166683702), (36, 583341851), (107, 196264548), (214, 98132274), (321, 65421516), (428, 49066137), (642, 32710758), (963, 21807172), (1284, 16355379), (1926, 10903586), (3852, 5451793)]