21979968178

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1\times {\mathrm{26209}}^1$

素因数の和:27874

約数の個数: 32

約数和(自身を含む): 38723702400

約数和(自身を除く): 16743734222

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1619, 3238, 11333, 22666, 26209, 52418, 59903, 119806, 183463, 366926, 419321, 838642, 969733, 1939466, 6788131, 13576262, 42432371, 84864742, 297026597, 594053194, 1569997727, 3139995454, 10989984089, 21979968178]

約数ペア:

[(1, 21979968178), (2, 10989984089), (7, 3139995454), (14, 1569997727), (37, 594053194), (74, 297026597), (259, 84864742), (518, 42432371), (1619, 13576262), (3238, 6788131), (11333, 1939466), (22666, 969733), (26209, 838642), (52418, 419321), (59903, 366926), (119806, 183463)]