21000391674

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1\times {\mathrm{89317}}^1$

素因数の和:89734

約数の個数: 32

約数和(自身を含む): 42443913600

約数和(自身を除く): 21443521926

約数列:

[1, 2, 3, 6, 149, 263, 298, 447, 526, 789, 894, 1578, 39187, 78374, 89317, 117561, 178634, 235122, 267951, 535902, 13308233, 23490371, 26616466, 39924699, 46980742, 70471113, 79849398, 140942226, 3500065279, 7000130558, 10500195837, 21000391674]

約数ペア:

[(1, 21000391674), (2, 10500195837), (3, 7000130558), (6, 3500065279), (149, 140942226), (263, 79849398), (298, 70471113), (447, 46980742), (526, 39924699), (789, 26616466), (894, 23490371), (1578, 13308233), (39187, 535902), (78374, 267951), (89317, 235122), (117561, 178634)]