21139967928

素因数分解:

$2^3\times 3^1\times {\mathrm{19571}}^1\times {\mathrm{45007}}^1$

素因数の和:64587

約数の個数: 32

約数和(自身を含む): 52853794560

約数和(自身を除く): 31713826632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 19571, 39142, 45007, 58713, 78284, 90014, 117426, 135021, 156568, 180028, 234852, 270042, 360056, 469704, 540084, 1080168, 880831997, 1761663994, 2642495991, 3523327988, 5284991982, 7046655976, 10569983964, 21139967928]

約数ペア:

[(1, 21139967928), (2, 10569983964), (3, 7046655976), (4, 5284991982), (6, 3523327988), (8, 2642495991), (12, 1761663994), (24, 880831997), (19571, 1080168), (39142, 540084), (45007, 469704), (58713, 360056), (78284, 270042), (90014, 234852), (117426, 180028), (135021, 156568)]