21619936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51971}}^1$

素因数の和:51994

約数の個数: 24

約数和(自身を含む): 45839304

約数和(自身を除く): 24219368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51971, 103942, 207884, 415768, 675623, 831536, 1351246, 1663072, 2702492, 5404984, 10809968, 21619936]

約数ペア:

[(1, 21619936), (2, 10809968), (4, 5404984), (8, 2702492), (13, 1663072), (16, 1351246), (26, 831536), (32, 675623), (52, 415768), (104, 207884), (208, 103942), (416, 51971)]