21078846

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{4703}}^1$

素因数の和:4797

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 26337474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 747, 1494, 2241, 4482, 4703, 9406, 14109, 28218, 42327, 84654, 126981, 253962, 390349, 780698, 1171047, 2342094, 3513141, 7026282, 10539423, 21078846]

約数ペア:

[(1, 21078846), (2, 10539423), (3, 7026282), (6, 3513141), (9, 2342094), (18, 1171047), (27, 780698), (54, 390349), (83, 253962), (166, 126981), (249, 84654), (498, 42327), (747, 28218), (1494, 14109), (2241, 9406), (4482, 4703)]