21595035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2671}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 43863552

約数和(自身を除く): 22268517

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2671, 2695, 8013, 8085, 13355, 18697, 29381, 40065, 56091, 88143, 93485, 130879, 146905, 205667, 280455, 392637, 440715, 617001, 654395, 1028335, 1439669, 1963185, 3085005, 4319007, 7198345, 21595035]

約数ペア:

[(1, 21595035), (3, 7198345), (5, 4319007), (7, 3085005), (11, 1963185), (15, 1439669), (21, 1028335), (33, 654395), (35, 617001), (49, 440715), (55, 392637), (77, 280455), (105, 205667), (147, 146905), (165, 130879), (231, 93485), (245, 88143), (385, 56091), (539, 40065), (735, 29381), (1155, 18697), (1617, 13355), (2671, 8085), (2695, 8013)]