21208819346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{273641}}^1$

素因数の和:273938

約数の個数: 32

約数和(自身を含む): 37513034496

約数和(自身を除く): 16304215150

約数列:

[1, 2, 11, 13, 22, 26, 143, 271, 286, 542, 2981, 3523, 5962, 7046, 38753, 77506, 273641, 547282, 3010051, 3557333, 6020102, 7114666, 39130663, 74156711, 78261326, 148313422, 815723821, 964037243, 1631447642, 1928074486, 10604409673, 21208819346]

約数ペア:

[(1, 21208819346), (2, 10604409673), (11, 1928074486), (13, 1631447642), (22, 964037243), (26, 815723821), (143, 148313422), (271, 78261326), (286, 74156711), (542, 39130663), (2981, 7114666), (3523, 6020102), (5962, 3557333), (7046, 3010051), (38753, 547282), (77506, 273641)]