21074210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 19205470

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 230, 295, 590, 1357, 1553, 2714, 3106, 6785, 7765, 13570, 15530, 35719, 71438, 91627, 178595, 183254, 357190, 458135, 916270, 2107421, 4214842, 10537105, 21074210]

約数ペア:

[(1, 21074210), (2, 10537105), (5, 4214842), (10, 2107421), (23, 916270), (46, 458135), (59, 357190), (115, 183254), (118, 178595), (230, 91627), (295, 71438), (590, 35719), (1357, 15530), (1553, 13570), (2714, 7765), (3106, 6785)]