21791070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34589}}^1$

素因数の和:34609

約数の個数: 48

約数和(自身を含む): 64752480

約数和(自身を除く): 42961410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34589, 69178, 103767, 172945, 207534, 242123, 311301, 345890, 484246, 518835, 622602, 726369, 1037670, 1210615, 1452738, 1556505, 2179107, 2421230, 3113010, 3631845, 4358214, 7263690, 10895535, 21791070]

約数ペア:

[(1, 21791070), (2, 10895535), (3, 7263690), (5, 4358214), (6, 3631845), (7, 3113010), (9, 2421230), (10, 2179107), (14, 1556505), (15, 1452738), (18, 1210615), (21, 1037670), (30, 726369), (35, 622602), (42, 518835), (45, 484246), (63, 345890), (70, 311301), (90, 242123), (105, 207534), (126, 172945), (210, 103767), (315, 69178), (630, 34589)]