21692538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1731

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 32558022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1609, 1926, 2247, 3218, 4494, 4827, 6741, 9654, 11263, 13482, 14481, 22526, 28962, 33789, 67578, 101367, 172163, 202734, 344326, 516489, 1032978, 1205141, 1549467, 2410282, 3098934, 3615423, 7230846, 10846269, 21692538]

約数ペア:

[(1, 21692538), (2, 10846269), (3, 7230846), (6, 3615423), (7, 3098934), (9, 2410282), (14, 1549467), (18, 1205141), (21, 1032978), (42, 516489), (63, 344326), (107, 202734), (126, 172163), (214, 101367), (321, 67578), (642, 33789), (749, 28962), (963, 22526), (1498, 14481), (1609, 13482), (1926, 11263), (2247, 9654), (3218, 6741), (4494, 4827)]