21000228184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{11783}}^1\times {\mathrm{17137}}^1$

素因数の和:28939

約数の個数: 32

約数和(自身を含む): 42410380320

約数和(自身を除く): 21410152136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 11783, 17137, 23566, 34274, 47132, 68548, 94264, 137096, 153179, 222781, 306358, 445562, 612716, 891124, 1225432, 1782248, 201925271, 403850542, 807701084, 1615402168, 2625028523, 5250057046, 10500114092, 21000228184]

約数ペア:

[(1, 21000228184), (2, 10500114092), (4, 5250057046), (8, 2625028523), (13, 1615402168), (26, 807701084), (52, 403850542), (104, 201925271), (11783, 1782248), (17137, 1225432), (23566, 891124), (34274, 612716), (47132, 445562), (68548, 306358), (94264, 222781), (137096, 153179)]