21198148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6803}}^1$

素因数の和:6867

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 18809372

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6803, 13606, 27212, 129257, 258514, 278923, 517028, 557846, 1115692, 5299537, 10599074, 21198148]

約数ペア:

[(1, 21198148), (2, 10599074), (4, 5299537), (19, 1115692), (38, 557846), (41, 517028), (76, 278923), (82, 258514), (164, 129257), (779, 27212), (1558, 13606), (3116, 6803)]