21551178005

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1\times {\mathrm{3851}}^1$

素因数の和:5249

約数の個数: 32

約数和(自身を含む): 29820026880

約数和(自身を除く): 8268848875

約数列:

[1, 5, 7, 35, 127, 635, 889, 1259, 3851, 4445, 6295, 8813, 19255, 26957, 44065, 134785, 159893, 489077, 799465, 1119251, 2445385, 3423539, 4848409, 5596255, 17117695, 24242045, 33938863, 169694315, 615747943, 3078739715, 4310235601, 21551178005]

約数ペア:

[(1, 21551178005), (5, 4310235601), (7, 3078739715), (35, 615747943), (127, 169694315), (635, 33938863), (889, 24242045), (1259, 17117695), (3851, 5596255), (4445, 4848409), (6295, 3423539), (8813, 2445385), (19255, 1119251), (26957, 799465), (44065, 489077), (134785, 159893)]