21329808

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4153}}^1$

素因数の和:4271

約数の個数: 40

約数和(自身を含む): 55630368

約数和(自身を除く): 34300560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4153, 5136, 8306, 12459, 16612, 24918, 33224, 49836, 66448, 99672, 199344, 444371, 888742, 1333113, 1777484, 2666226, 3554968, 5332452, 7109936, 10664904, 21329808]

約数ペア:

[(1, 21329808), (2, 10664904), (3, 7109936), (4, 5332452), (6, 3554968), (8, 2666226), (12, 1777484), (16, 1333113), (24, 888742), (48, 444371), (107, 199344), (214, 99672), (321, 66448), (428, 49836), (642, 33224), (856, 24918), (1284, 16612), (1712, 12459), (2568, 8306), (4153, 5136)]