21007248544

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{2221}}^1\times {\mathrm{4049}}^1$

素因数の和:6353

約数の個数: 48

約数和(自身を含む): 41953804200

約数和(自身を除く): 20946555656

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2221, 2336, 4049, 4442, 8098, 8884, 16196, 17768, 32392, 35536, 64784, 71072, 129568, 162133, 295577, 324266, 591154, 648532, 1182308, 1297064, 2364616, 2594128, 4729232, 5188256, 8992829, 9458464, 17985658, 35971316, 71942632, 143885264, 287770528, 656476517, 1312953034, 2625906068, 5251812136, 10503624272, 21007248544]

約数ペア:

[(1, 21007248544), (2, 10503624272), (4, 5251812136), (8, 2625906068), (16, 1312953034), (32, 656476517), (73, 287770528), (146, 143885264), (292, 71942632), (584, 35971316), (1168, 17985658), (2221, 9458464), (2336, 8992829), (4049, 5188256), (4442, 4729232), (8098, 2594128), (8884, 2364616), (16196, 1297064), (17768, 1182308), (32392, 648532), (35536, 591154), (64784, 324266), (71072, 295577), (129568, 162133)]