21776244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 58305408

約数和(自身を除く): 36529164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 397, 653, 794, 1191, 1306, 1588, 1959, 2382, 2612, 2779, 3918, 4571, 4764, 5558, 7836, 8337, 9142, 11116, 13713, 16674, 18284, 27426, 33348, 54852, 259241, 518482, 777723, 1036964, 1555446, 1814687, 3110892, 3629374, 5444061, 7258748, 10888122, 21776244]

約数ペア:

[(1, 21776244), (2, 10888122), (3, 7258748), (4, 5444061), (6, 3629374), (7, 3110892), (12, 1814687), (14, 1555446), (21, 1036964), (28, 777723), (42, 518482), (84, 259241), (397, 54852), (653, 33348), (794, 27426), (1191, 18284), (1306, 16674), (1588, 13713), (1959, 11116), (2382, 9142), (2612, 8337), (2779, 7836), (3918, 5558), (4571, 4764)]