21839992

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{19927}}^1$

素因数の和:20070

約数の個数: 16

約数和(自身を含む): 41250960

約数和(自身を除く): 19410968

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 19927, 39854, 79708, 159416, 2729999, 5459998, 10919996, 21839992]

約数ペア:

[(1, 21839992), (2, 10919996), (4, 5459998), (8, 2729999), (137, 159416), (274, 79708), (548, 39854), (1096, 19927)]