20211988515

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 33236490240

約数和(自身を除く): 13024501725

約数列:

[1, 3, 5, 15, 73, 113, 219, 339, 365, 379, 431, 565, 1095, 1137, 1293, 1695, 1895, 2155, 5685, 6465, 8249, 24747, 27667, 31463, 41245, 42827, 48703, 83001, 94389, 123735, 128481, 138335, 146109, 157315, 163349, 214135, 243515, 415005, 471945, 490047, 642405, 730545, 816745, 2450235, 3126371, 3555319, 9379113, 10665957, 11924477, 15631855, 17776595, 18458437, 35773431, 46895565, 53329785, 55375311, 59622385, 92292185, 178867155, 276876555, 1347465901, 4042397703, 6737329505, 20211988515]

約数ペア:

[(1, 20211988515), (3, 6737329505), (5, 4042397703), (15, 1347465901), (73, 276876555), (113, 178867155), (219, 92292185), (339, 59622385), (365, 55375311), (379, 53329785), (431, 46895565), (565, 35773431), (1095, 18458437), (1137, 17776595), (1293, 15631855), (1695, 11924477), (1895, 10665957), (2155, 9379113), (5685, 3555319), (6465, 3126371), (8249, 2450235), (24747, 816745), (27667, 730545), (31463, 642405), (41245, 490047), (42827, 471945), (48703, 415005), (83001, 243515), (94389, 214135), (123735, 163349), (128481, 157315), (138335, 146109)]