21154530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1543}}^1$

素因数の和:2010

約数の個数: 32

約数和(自身を含む): 50914944

約数和(自身を除く): 29760414

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 457, 914, 1371, 1543, 2285, 2742, 3086, 4570, 4629, 6855, 7715, 9258, 13710, 15430, 23145, 46290, 705151, 1410302, 2115453, 3525755, 4230906, 7051510, 10577265, 21154530]

約数ペア:

[(1, 21154530), (2, 10577265), (3, 7051510), (5, 4230906), (6, 3525755), (10, 2115453), (15, 1410302), (30, 705151), (457, 46290), (914, 23145), (1371, 15430), (1543, 13710), (2285, 9258), (2742, 7715), (3086, 6855), (4570, 4629)]