21720652

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{4567}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 40289760

約数和(自身を除く): 18569108

約数列:

[1, 2, 4, 29, 41, 58, 82, 116, 164, 1189, 2378, 4567, 4756, 9134, 18268, 132443, 187247, 264886, 374494, 529772, 748988, 5430163, 10860326, 21720652]

約数ペア:

[(1, 21720652), (2, 10860326), (4, 5430163), (29, 748988), (41, 529772), (58, 374494), (82, 264886), (116, 187247), (164, 132443), (1189, 18268), (2378, 9134), (4567, 4756)]