21546910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27983}}^1$

素因数の和:28008

約数の個数: 32

約数和(自身を含む): 48356352

約数和(自身を除く): 26809442

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27983, 55966, 139915, 195881, 279830, 307813, 391762, 615626, 979405, 1539065, 1958810, 2154691, 3078130, 4309382, 10773455, 21546910]

約数ペア:

[(1, 21546910), (2, 10773455), (5, 4309382), (7, 3078130), (10, 2154691), (11, 1958810), (14, 1539065), (22, 979405), (35, 615626), (55, 391762), (70, 307813), (77, 279830), (110, 195881), (154, 139915), (385, 55966), (770, 27983)]