21006888

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17863}}^1$

素因数の和:17886

約数の個数: 48

約数和(自身を含む): 61094880

約数和(自身を除く): 40087992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17863, 35726, 53589, 71452, 107178, 125041, 142904, 214356, 250082, 375123, 428712, 500164, 750246, 875287, 1000328, 1500492, 1750574, 2625861, 3000984, 3501148, 5251722, 7002296, 10503444, 21006888]

約数ペア:

[(1, 21006888), (2, 10503444), (3, 7002296), (4, 5251722), (6, 3501148), (7, 3000984), (8, 2625861), (12, 1750574), (14, 1500492), (21, 1000328), (24, 875287), (28, 750246), (42, 500164), (49, 428712), (56, 375123), (84, 250082), (98, 214356), (147, 142904), (168, 125041), (196, 107178), (294, 71452), (392, 53589), (588, 35726), (1176, 17863)]