21589278

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 23354082

約数列:

[1, 2, 3, 6, 37, 74, 79, 111, 158, 222, 237, 474, 1231, 2462, 2923, 3693, 5846, 7386, 8769, 17538, 45547, 91094, 97249, 136641, 194498, 273282, 291747, 583494, 3598213, 7196426, 10794639, 21589278]

約数ペア:

[(1, 21589278), (2, 10794639), (3, 7196426), (6, 3598213), (37, 583494), (74, 291747), (79, 273282), (111, 194498), (158, 136641), (222, 97249), (237, 91094), (474, 45547), (1231, 17538), (2462, 8769), (2923, 7386), (3693, 5846)]