21608455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6659}}^1$

素因数の和:6734

約数の個数: 16

約数和(自身を含む): 28771200

約数和(自身を除く): 7162745

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6659, 33295, 73249, 366245, 392881, 1964405, 4321691, 21608455]

約数ペア:

[(1, 21608455), (5, 4321691), (11, 1964405), (55, 392881), (59, 366245), (295, 73249), (649, 33295), (3245, 6659)]