21281748

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3011}}^1$

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 53975040

約数和(自身を除く): 32693292

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 1178, 1767, 2356, 3011, 3534, 6022, 7068, 9033, 12044, 18066, 36132, 57209, 93341, 114418, 171627, 186682, 228836, 280023, 343254, 373364, 560046, 686508, 1120092, 1773479, 3546958, 5320437, 7093916, 10640874, 21281748]

約数ペア:

[(1, 21281748), (2, 10640874), (3, 7093916), (4, 5320437), (6, 3546958), (12, 1773479), (19, 1120092), (31, 686508), (38, 560046), (57, 373364), (62, 343254), (76, 280023), (93, 228836), (114, 186682), (124, 171627), (186, 114418), (228, 93341), (372, 57209), (589, 36132), (1178, 18066), (1767, 12044), (2356, 9033), (3011, 7068), (3534, 6022)]