21920906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 17643382

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 371, 434, 742, 953, 1643, 1906, 3286, 6671, 11501, 13342, 23002, 29543, 50509, 59086, 101018, 206801, 353563, 413602, 707126, 1565779, 3131558, 10960453, 21920906]

約数ペア:

[(1, 21920906), (2, 10960453), (7, 3131558), (14, 1565779), (31, 707126), (53, 413602), (62, 353563), (106, 206801), (217, 101018), (371, 59086), (434, 50509), (742, 29543), (953, 23002), (1643, 13342), (1906, 11501), (3286, 6671)]