21641652

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8467}}^1$

素因数の和:8548

約数の個数: 36

約数和(自身を含む): 55482336

約数和(自身を除く): 33840684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8467, 16934, 25401, 33868, 50802, 76203, 101604, 152406, 304812, 601157, 1202314, 1803471, 2404628, 3606942, 5410413, 7213884, 10820826, 21641652]

約数ペア:

[(1, 21641652), (2, 10820826), (3, 7213884), (4, 5410413), (6, 3606942), (9, 2404628), (12, 1803471), (18, 1202314), (36, 601157), (71, 304812), (142, 152406), (213, 101604), (284, 76203), (426, 50802), (639, 33868), (852, 25401), (1278, 16934), (2556, 8467)]