21036697940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1\times {\mathrm{43177}}^1$

素因数の和:44636

約数の個数: 48

約数和(自身を含む): 46809442512

約数和(自身を除く): 25772744572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1433, 2866, 5732, 7165, 14330, 24361, 28660, 43177, 48722, 86354, 97444, 121805, 172708, 215885, 243610, 431770, 487220, 734009, 863540, 1468018, 2936036, 3670045, 7340090, 14680180, 61872641, 123745282, 247490564, 309363205, 618726410, 1051834897, 1237452820, 2103669794, 4207339588, 5259174485, 10518348970, 21036697940]

約数ペア:

[(1, 21036697940), (2, 10518348970), (4, 5259174485), (5, 4207339588), (10, 2103669794), (17, 1237452820), (20, 1051834897), (34, 618726410), (68, 309363205), (85, 247490564), (170, 123745282), (340, 61872641), (1433, 14680180), (2866, 7340090), (5732, 3670045), (7165, 2936036), (14330, 1468018), (24361, 863540), (28660, 734009), (43177, 487220), (48722, 431770), (86354, 243610), (97444, 215885), (121805, 172708)]