21905045682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{400619}}^1$

素因数の和:401338

約数の個数: 32

約数和(自身を含む): 47247520320

約数和(自身を除く): 25342474638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 701, 1402, 2103, 4206, 9113, 18226, 27339, 54678, 400619, 801238, 1201857, 2403714, 5208047, 10416094, 15624141, 31248282, 280833919, 561667838, 842501757, 1685003514, 3650840947, 7301681894, 10952522841, 21905045682]

約数ペア:

[(1, 21905045682), (2, 10952522841), (3, 7301681894), (6, 3650840947), (13, 1685003514), (26, 842501757), (39, 561667838), (78, 280833919), (701, 31248282), (1402, 15624141), (2103, 10416094), (4206, 5208047), (9113, 2403714), (18226, 1201857), (27339, 801238), (54678, 400619)]