20210930135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{522719}}^1$

素因数の和:522791

約数の個数: 32

約数和(自身を含む): 28603238400

約数和(自身を除く): 8392308265

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 407, 703, 1045, 2035, 3515, 7733, 38665, 522719, 2613595, 5749909, 9931661, 19340603, 28749545, 49658305, 96703015, 109248271, 212746633, 367471457, 546241355, 1063733165, 1837357285, 4042186027, 20210930135]

約数ペア:

[(1, 20210930135), (5, 4042186027), (11, 1837357285), (19, 1063733165), (37, 546241355), (55, 367471457), (95, 212746633), (185, 109248271), (209, 96703015), (407, 49658305), (703, 28749545), (1045, 19340603), (2035, 9931661), (3515, 5749909), (7733, 2613595), (38665, 522719)]