21571507608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128401831}}^1$

素因数の和:128401847

約数の個数: 32

約数和(自身を含む): 61632879360

約数和(自身を除く): 40061371752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128401831, 256803662, 385205493, 513607324, 770410986, 898812817, 1027214648, 1540821972, 1797625634, 2696438451, 3081643944, 3595251268, 5392876902, 7190502536, 10785753804, 21571507608]

約数ペア:

[(1, 21571507608), (2, 10785753804), (3, 7190502536), (4, 5392876902), (6, 3595251268), (7, 3081643944), (8, 2696438451), (12, 1797625634), (14, 1540821972), (21, 1027214648), (24, 898812817), (28, 770410986), (42, 513607324), (56, 385205493), (84, 256803662), (168, 128401831)]