21736540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9133}}^1$

素因数の和:9166

約数の個数: 48

約数和(自身を含む): 55242432

約数和(自身を除く): 33505892

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 9133, 18266, 36532, 45665, 63931, 91330, 127862, 155261, 182660, 255724, 310522, 319655, 621044, 639310, 776305, 1086827, 1278620, 1552610, 2173654, 3105220, 4347308, 5434135, 10868270, 21736540]

約数ペア:

[(1, 21736540), (2, 10868270), (4, 5434135), (5, 4347308), (7, 3105220), (10, 2173654), (14, 1552610), (17, 1278620), (20, 1086827), (28, 776305), (34, 639310), (35, 621044), (68, 319655), (70, 310522), (85, 255724), (119, 182660), (140, 155261), (170, 127862), (238, 91330), (340, 63931), (476, 45665), (595, 36532), (1190, 18266), (2380, 9133)]