21842538

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 46159872

約数和(自身を除く): 24317334

約数列:

[1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 2666, 2731, 3999, 5462, 7998, 8193, 16386, 84661, 117433, 169322, 234866, 253983, 352299, 507966, 704598, 3640423, 7280846, 10921269, 21842538]

約数ペア:

[(1, 21842538), (2, 10921269), (3, 7280846), (6, 3640423), (31, 704598), (43, 507966), (62, 352299), (86, 253983), (93, 234866), (129, 169322), (186, 117433), (258, 84661), (1333, 16386), (2666, 8193), (2731, 7998), (3999, 5462)]