21298786345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1\times {\mathrm{7549}}^1$

素因数の和:9337

約数の個数: 32

約数和(自身を含む): 28506384000

約数和(自身を除く): 7207597655

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 1747, 7549, 8735, 29699, 33193, 37745, 128333, 143431, 148495, 165965, 564281, 641665, 717155, 2438327, 2821405, 12191635, 13188103, 65940515, 224197751, 250573957, 1120988755, 1252869785, 4259757269, 21298786345]

約数ペア:

[(1, 21298786345), (5, 4259757269), (17, 1252869785), (19, 1120988755), (85, 250573957), (95, 224197751), (323, 65940515), (1615, 13188103), (1747, 12191635), (7549, 2821405), (8735, 2438327), (29699, 717155), (33193, 641665), (37745, 564281), (128333, 165965), (143431, 148495)]