21029656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4463}}^1$

素因数の和:4519

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 21824744

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4463, 4712, 8926, 17852, 35704, 84797, 138353, 169594, 276706, 339188, 553412, 678376, 1106824, 2628707, 5257414, 10514828, 21029656]

約数ペア:

[(1, 21029656), (2, 10514828), (4, 5257414), (8, 2628707), (19, 1106824), (31, 678376), (38, 553412), (62, 339188), (76, 276706), (124, 169594), (152, 138353), (248, 84797), (589, 35704), (1178, 17852), (2356, 8926), (4463, 4712)]