21437767295

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{177487}}^1$

素因数の和:177552

約数の個数: 48

約数和(自身を含む): 32778483840

約数和(自身を除く): 11340716545

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 203, 245, 493, 595, 833, 1015, 1421, 2465, 3451, 4165, 7105, 17255, 24157, 120785, 177487, 887435, 1242409, 3017279, 5147123, 6212045, 8696863, 15086395, 21120953, 25735615, 36029861, 43484315, 87501091, 105604765, 147846671, 180149305, 252209027, 437505455, 612507637, 739233355, 1261045135, 3062538185, 4287553459, 21437767295]

約数ペア:

[(1, 21437767295), (5, 4287553459), (7, 3062538185), (17, 1261045135), (29, 739233355), (35, 612507637), (49, 437505455), (85, 252209027), (119, 180149305), (145, 147846671), (203, 105604765), (245, 87501091), (493, 43484315), (595, 36029861), (833, 25735615), (1015, 21120953), (1421, 15086395), (2465, 8696863), (3451, 6212045), (4165, 5147123), (7105, 3017279), (17255, 1242409), (24157, 887435), (120785, 177487)]