21083668305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{2203}}^1$

素因数の和:2703

約数の個数: 96

約数和(自身を含む): 40703472000

約数和(自身を除く): 19619803695

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 449, 609, 735, 1015, 1347, 1421, 2203, 2245, 3045, 3143, 4263, 6609, 6735, 7105, 9429, 11015, 13021, 15421, 15715, 21315, 22001, 33045, 39063, 46263, 47145, 63887, 65105, 66003, 77105, 91147, 107947, 110005, 191661, 195315, 231315, 273441, 319435, 323841, 330015, 447209, 455735, 539735, 638029, 958305, 989147, 1341627, 1367205, 1619205, 1914087, 2236045, 2967441, 3130463, 3190145, 4945735, 6708135, 6924029, 9391389, 9570435, 14837205, 15652315, 20772087, 28685263, 34620145, 46956945, 48468203, 86055789, 103860435, 143426315, 145404609, 200796841, 242341015, 430278945, 602390523, 727023045, 1003984205, 1405577887, 3011952615, 4216733661, 7027889435, 21083668305]

約数ペア:

[(1, 21083668305), (3, 7027889435), (5, 4216733661), (7, 3011952615), (15, 1405577887), (21, 1003984205), (29, 727023045), (35, 602390523), (49, 430278945), (87, 242341015), (105, 200796841), (145, 145404609), (147, 143426315), (203, 103860435), (245, 86055789), (435, 48468203), (449, 46956945), (609, 34620145), (735, 28685263), (1015, 20772087), (1347, 15652315), (1421, 14837205), (2203, 9570435), (2245, 9391389), (3045, 6924029), (3143, 6708135), (4263, 4945735), (6609, 3190145), (6735, 3130463), (7105, 2967441), (9429, 2236045), (11015, 1914087), (13021, 1619205), (15421, 1367205), (15715, 1341627), (21315, 989147), (22001, 958305), (33045, 638029), (39063, 539735), (46263, 455735), (47145, 447209), (63887, 330015), (65105, 323841), (66003, 319435), (77105, 273441), (91147, 231315), (107947, 195315), (110005, 191661)]