21650664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128873}}^1$

素因数の和:128889

約数の個数: 32

約数和(自身を含む): 61859520

約数和(自身を除く): 40208856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128873, 257746, 386619, 515492, 773238, 902111, 1030984, 1546476, 1804222, 2706333, 3092952, 3608444, 5412666, 7216888, 10825332, 21650664]

約数ペア:

[(1, 21650664), (2, 10825332), (3, 7216888), (4, 5412666), (6, 3608444), (7, 3092952), (8, 2706333), (12, 1804222), (14, 1546476), (21, 1030984), (24, 902111), (28, 773238), (42, 515492), (56, 386619), (84, 257746), (168, 128873)]