21725658

素因数分解:

$2^1\times 3^7\times {\mathrm{4967}}^1$

素因数の和:4990

約数の個数: 32

約数和(自身を含む): 48885120

約数和(自身を除く): 27159462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4967, 9934, 14901, 29802, 44703, 89406, 134109, 268218, 402327, 804654, 1206981, 2413962, 3620943, 7241886, 10862829, 21725658]

約数ペア:

[(1, 21725658), (2, 10862829), (3, 7241886), (6, 3620943), (9, 2413962), (18, 1206981), (27, 804654), (54, 402327), (81, 268218), (162, 134109), (243, 89406), (486, 44703), (729, 29802), (1458, 14901), (2187, 9934), (4374, 4967)]