21490794

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91841}}^1$

素因数の和:91862

約数の個数: 24

約数和(自身を含む): 50145732

約数和(自身を除く): 28654938

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91841, 183682, 275523, 551046, 826569, 1193933, 1653138, 2387866, 3581799, 7163598, 10745397, 21490794]

約数ペア:

[(1, 21490794), (2, 10745397), (3, 7163598), (6, 3581799), (9, 2387866), (13, 1653138), (18, 1193933), (26, 826569), (39, 551046), (78, 275523), (117, 183682), (234, 91841)]