21318714

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7741}}^1$

素因数の和:7772

約数の個数: 40

約数和(自身を含む): 50586228

約数和(自身を除く): 29267514

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7741, 15482, 23223, 46446, 69669, 131597, 139338, 209007, 263194, 394791, 418014, 627021, 789582, 1184373, 1254042, 2368746, 3553119, 7106238, 10659357, 21318714]

約数ペア:

[(1, 21318714), (2, 10659357), (3, 7106238), (6, 3553119), (9, 2368746), (17, 1254042), (18, 1184373), (27, 789582), (34, 627021), (51, 418014), (54, 394791), (81, 263194), (102, 209007), (153, 139338), (162, 131597), (306, 69669), (459, 46446), (918, 23223), (1377, 15482), (2754, 7741)]