21134555379

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{12251}}^1$

素因数の和:12600

約数の個数: 48

約数和(自身を含む): 35321045760

約数和(自身を除く): 14186490381

約数列:

[1, 3, 7, 9, 21, 63, 139, 197, 417, 591, 973, 1251, 1379, 1773, 2919, 4137, 8757, 12251, 12411, 27383, 36753, 82149, 85757, 110259, 191681, 246447, 257271, 575043, 771813, 1702889, 1725129, 2413447, 5108667, 7240341, 11920223, 15326001, 16894129, 21721023, 35760669, 50682387, 107282007, 152047161, 335469133, 1006407399, 2348283931, 3019222197, 7044851793, 21134555379]

約数ペア:

[(1, 21134555379), (3, 7044851793), (7, 3019222197), (9, 2348283931), (21, 1006407399), (63, 335469133), (139, 152047161), (197, 107282007), (417, 50682387), (591, 35760669), (973, 21721023), (1251, 16894129), (1379, 15326001), (1773, 11920223), (2919, 7240341), (4137, 5108667), (8757, 2413447), (12251, 1725129), (12411, 1702889), (27383, 771813), (36753, 575043), (82149, 257271), (85757, 246447), (110259, 191681)]