21470722

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 21046718

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 887, 931, 1274, 1729, 1774, 1862, 3458, 6209, 11531, 12103, 12418, 16853, 23062, 24206, 33706, 43463, 80717, 86926, 117971, 161434, 219089, 235942, 438178, 565019, 825797, 1130038, 1533623, 1651594, 3067246, 10735361, 21470722]

約数ペア:

[(1, 21470722), (2, 10735361), (7, 3067246), (13, 1651594), (14, 1533623), (19, 1130038), (26, 825797), (38, 565019), (49, 438178), (91, 235942), (98, 219089), (133, 161434), (182, 117971), (247, 86926), (266, 80717), (494, 43463), (637, 33706), (887, 24206), (931, 23062), (1274, 16853), (1729, 12418), (1774, 12103), (1862, 11531), (3458, 6209)]