21206752

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5569}}^1$

素因数の和:5603

約数の個数: 48

約数和(自身を含む): 50531040

約数和(自身を除く): 29324288

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5569, 11138, 22276, 38983, 44552, 77966, 89104, 94673, 155932, 178208, 189346, 311864, 378692, 623728, 662711, 757384, 1247456, 1325422, 1514768, 2650844, 3029536, 5301688, 10603376, 21206752]

約数ペア:

[(1, 21206752), (2, 10603376), (4, 5301688), (7, 3029536), (8, 2650844), (14, 1514768), (16, 1325422), (17, 1247456), (28, 757384), (32, 662711), (34, 623728), (56, 378692), (68, 311864), (112, 189346), (119, 178208), (136, 155932), (224, 94673), (238, 89104), (272, 77966), (476, 44552), (544, 38983), (952, 22276), (1904, 11138), (3808, 5569)]