21000815459

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{22871}}^1$

素因数の和:23027

約数の個数: 32

約数和(自身を含む): 24530494464

約数和(自身を除く): 3529679005

約数列:

[1, 13, 23, 37, 83, 299, 481, 851, 1079, 1909, 3071, 11063, 22871, 24817, 39923, 70633, 297323, 526033, 846227, 918229, 1898293, 6838429, 11000951, 19463221, 24677809, 43660739, 70236841, 253021873, 567589607, 913078933, 1615447343, 21000815459]

約数ペア:

[(1, 21000815459), (13, 1615447343), (23, 913078933), (37, 567589607), (83, 253021873), (299, 70236841), (481, 43660739), (851, 24677809), (1079, 19463221), (1909, 11000951), (3071, 6838429), (11063, 1898293), (22871, 918229), (24817, 846227), (39923, 526033), (70633, 297323)]