21400938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91457}}^1$

素因数の和:91478

約数の個数: 24

約数和(自身を含む): 49936068

約数和(自身を除く): 28535130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91457, 182914, 274371, 548742, 823113, 1188941, 1646226, 2377882, 3566823, 7133646, 10700469, 21400938]

約数ペア:

[(1, 21400938), (2, 10700469), (3, 7133646), (6, 3566823), (9, 2377882), (13, 1646226), (18, 1188941), (26, 823113), (39, 548742), (78, 274371), (117, 182914), (234, 91457)]