21082128

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8287}}^1$

素因数の和:8351

約数の個数: 40

約数和(自身を含む): 55496448

約数和(自身を除く): 34414320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8287, 16574, 24861, 33148, 49722, 66296, 99444, 132592, 198888, 397776, 439211, 878422, 1317633, 1756844, 2635266, 3513688, 5270532, 7027376, 10541064, 21082128]

約数ペア:

[(1, 21082128), (2, 10541064), (3, 7027376), (4, 5270532), (6, 3513688), (8, 2635266), (12, 1756844), (16, 1317633), (24, 878422), (48, 439211), (53, 397776), (106, 198888), (159, 132592), (212, 99444), (318, 66296), (424, 49722), (636, 33148), (848, 24861), (1272, 16574), (2544, 8287)]