21230776

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4799}}^1$

素因数の和:4891

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 24849224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4799, 9598, 19196, 33593, 38392, 67186, 134372, 268744, 379121, 758242, 1516484, 2653847, 3032968, 5307694, 10615388, 21230776]

約数ペア:

[(1, 21230776), (2, 10615388), (4, 5307694), (7, 3032968), (8, 2653847), (14, 1516484), (28, 758242), (56, 379121), (79, 268744), (158, 134372), (316, 67186), (553, 38392), (632, 33593), (1106, 19196), (2212, 9598), (4424, 4799)]