21032497135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{129379}}^1$

素因数の和:129499

約数の個数: 32

約数和(自身を含む): 28300063680

約数和(自身を除く): 7267566545

約数列:

[1, 5, 13, 41, 61, 65, 205, 305, 533, 793, 2501, 2665, 3965, 12505, 32513, 129379, 162565, 646895, 1681927, 5304539, 7892119, 8409635, 26522695, 39460595, 68959007, 102597547, 323576879, 344795035, 512987735, 1617884395, 4206499427, 21032497135]

約数ペア:

[(1, 21032497135), (5, 4206499427), (13, 1617884395), (41, 512987735), (61, 344795035), (65, 323576879), (205, 102597547), (305, 68959007), (533, 39460595), (793, 26522695), (2501, 8409635), (2665, 7892119), (3965, 5304539), (12505, 1681927), (32513, 646895), (129379, 162565)]