21282204

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 31335396

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 269, 347, 538, 694, 807, 1041, 1076, 1388, 1614, 2082, 3228, 4164, 5111, 6593, 10222, 13186, 15333, 19779, 20444, 26372, 30666, 39558, 61332, 79116, 93343, 186686, 280029, 373372, 560058, 1120116, 1773517, 3547034, 5320551, 7094068, 10641102, 21282204]

約数ペア:

[(1, 21282204), (2, 10641102), (3, 7094068), (4, 5320551), (6, 3547034), (12, 1773517), (19, 1120116), (38, 560058), (57, 373372), (76, 280029), (114, 186686), (228, 93343), (269, 79116), (347, 61332), (538, 39558), (694, 30666), (807, 26372), (1041, 20444), (1076, 19779), (1388, 15333), (1614, 13186), (2082, 10222), (3228, 6593), (4164, 5111)]