21784272

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8563}}^1$

素因数の和:8627

約数の個数: 40

約数和(自身を含む): 57344544

約数和(自身を除く): 35560272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8563, 17126, 25689, 34252, 51378, 68504, 102756, 137008, 205512, 411024, 453839, 907678, 1361517, 1815356, 2723034, 3630712, 5446068, 7261424, 10892136, 21784272]

約数ペア:

[(1, 21784272), (2, 10892136), (3, 7261424), (4, 5446068), (6, 3630712), (8, 2723034), (12, 1815356), (16, 1361517), (24, 907678), (48, 453839), (53, 411024), (106, 205512), (159, 137008), (212, 102756), (318, 68504), (424, 51378), (636, 34252), (848, 25689), (1272, 17126), (2544, 8563)]