21171752

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5179}}^1$

素因数の和:5265

約数の個数: 32

約数和(自身を含む): 45998400

約数和(自身を除く): 24826648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5179, 10358, 20716, 36253, 41432, 72506, 145012, 290024, 378067, 756134, 1512268, 2646469, 3024536, 5292938, 10585876, 21171752]

約数ペア:

[(1, 21171752), (2, 10585876), (4, 5292938), (7, 3024536), (8, 2646469), (14, 1512268), (28, 756134), (56, 378067), (73, 290024), (146, 145012), (292, 72506), (511, 41432), (584, 36253), (1022, 20716), (2044, 10358), (4088, 5179)]