21393690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2293}}^1$

素因数の和:2614

約数の個数: 32

約数和(自身を含む): 51532416

約数和(自身を除く): 30138726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 311, 622, 933, 1555, 1866, 2293, 3110, 4586, 4665, 6879, 9330, 11465, 13758, 22930, 34395, 68790, 713123, 1426246, 2139369, 3565615, 4278738, 7131230, 10696845, 21393690]

約数ペア:

[(1, 21393690), (2, 10696845), (3, 7131230), (5, 4278738), (6, 3565615), (10, 2139369), (15, 1426246), (30, 713123), (311, 68790), (622, 34395), (933, 22930), (1555, 13758), (1866, 11465), (2293, 9330), (3110, 6879), (4586, 4665)]