21802746

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74159}}^1$

素因数の和:74178

約数の個数: 24

約数和(自身を含む): 50725440

約数和(自身を除く): 28922694

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74159, 148318, 222477, 444954, 519113, 1038226, 1557339, 3114678, 3633791, 7267582, 10901373, 21802746]

約数ペア:

[(1, 21802746), (2, 10901373), (3, 7267582), (6, 3633791), (7, 3114678), (14, 1557339), (21, 1038226), (42, 519113), (49, 444954), (98, 222477), (147, 148318), (294, 74159)]