21885512

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 25228408

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 121, 184, 242, 253, 484, 506, 968, 983, 1012, 1966, 2024, 2783, 3932, 5566, 7864, 10813, 11132, 21626, 22264, 22609, 43252, 45218, 86504, 90436, 118943, 180872, 237886, 248699, 475772, 497398, 951544, 994796, 1989592, 2735689, 5471378, 10942756, 21885512]

約数ペア:

[(1, 21885512), (2, 10942756), (4, 5471378), (8, 2735689), (11, 1989592), (22, 994796), (23, 951544), (44, 497398), (46, 475772), (88, 248699), (92, 237886), (121, 180872), (184, 118943), (242, 90436), (253, 86504), (484, 45218), (506, 43252), (968, 22609), (983, 22264), (1012, 21626), (1966, 11132), (2024, 10813), (2783, 7864), (3932, 5566)]