21589168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 23407952

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1511, 1786, 3022, 3572, 6044, 7144, 12088, 14288, 24176, 28709, 57418, 71017, 114836, 142034, 229672, 284068, 459344, 568136, 1136272, 1349323, 2698646, 5397292, 10794584, 21589168]

約数ペア:

[(1, 21589168), (2, 10794584), (4, 5397292), (8, 2698646), (16, 1349323), (19, 1136272), (38, 568136), (47, 459344), (76, 284068), (94, 229672), (152, 142034), (188, 114836), (304, 71017), (376, 57418), (752, 28709), (893, 24176), (1511, 14288), (1786, 12088), (3022, 7144), (3572, 6044)]