21534318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{7079}}^1$

素因数の和:7113

約数の個数: 36

約数和(自身を含む): 50529960

約数和(自身を除く): 28995642

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 7079, 14158, 21237, 42474, 63711, 92027, 127422, 184054, 276081, 552162, 828243, 1196351, 1656486, 2392702, 3589053, 7178106, 10767159, 21534318]

約数ペア:

[(1, 21534318), (2, 10767159), (3, 7178106), (6, 3589053), (9, 2392702), (13, 1656486), (18, 1196351), (26, 828243), (39, 552162), (78, 276081), (117, 184054), (169, 127422), (234, 92027), (338, 63711), (507, 42474), (1014, 21237), (1521, 14158), (3042, 7079)]