21339470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3623}}^1$

素因数の和:3680

約数の個数: 32

約数和(自身を含む): 41748480

約数和(自身を除く): 20409010

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3623, 5890, 7246, 18115, 36230, 68837, 112313, 137674, 224626, 344185, 561565, 688370, 1123130, 2133947, 4267894, 10669735, 21339470]

約数ペア:

[(1, 21339470), (2, 10669735), (5, 4267894), (10, 2133947), (19, 1123130), (31, 688370), (38, 561565), (62, 344185), (95, 224626), (155, 137674), (190, 112313), (310, 68837), (589, 36230), (1178, 18115), (2945, 7246), (3623, 5890)]