21990232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{883}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 45190080

約数和(自身を除く): 23199848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 283, 566, 883, 1132, 1766, 2264, 3113, 3532, 6226, 7064, 9713, 12452, 19426, 24904, 38852, 77704, 249889, 499778, 999556, 1999112, 2748779, 5497558, 10995116, 21990232]

約数ペア:

[(1, 21990232), (2, 10995116), (4, 5497558), (8, 2748779), (11, 1999112), (22, 999556), (44, 499778), (88, 249889), (283, 77704), (566, 38852), (883, 24904), (1132, 19426), (1766, 12452), (2264, 9713), (3113, 7064), (3532, 6226)]