21040038

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7741}}^1$

素因数の和:7900

約数の個数: 24

約数和(自身を含む): 45894576

約数和(自身を除く): 24854538

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7741, 15482, 23223, 46446, 69669, 139338, 1168891, 2337782, 3506673, 7013346, 10520019, 21040038]

約数ペア:

[(1, 21040038), (2, 10520019), (3, 7013346), (6, 3506673), (9, 2337782), (18, 1168891), (151, 139338), (302, 69669), (453, 46446), (906, 23223), (1359, 15482), (2718, 7741)]