21606810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11807}}^1$

素因数の和:11878

約数の個数: 32

約数和(自身を含む): 52710912

約数和(自身を除く): 31104102

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11807, 23614, 35421, 59035, 70842, 118070, 177105, 354210, 720227, 1440454, 2160681, 3601135, 4321362, 7202270, 10803405, 21606810]

約数ペア:

[(1, 21606810), (2, 10803405), (3, 7202270), (5, 4321362), (6, 3601135), (10, 2160681), (15, 1440454), (30, 720227), (61, 354210), (122, 177105), (183, 118070), (305, 70842), (366, 59035), (610, 35421), (915, 23614), (1830, 11807)]