21461349

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 35553280

約数和(自身を除く): 14091931

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 619, 889, 1651, 1857, 2667, 4333, 4953, 8047, 11557, 12999, 24141, 34671, 56329, 78613, 168987, 235839, 550291, 1021969, 1650873, 3065907, 7153783, 21461349]

約数ペア:

[(1, 21461349), (3, 7153783), (7, 3065907), (13, 1650873), (21, 1021969), (39, 550291), (91, 235839), (127, 168987), (273, 78613), (381, 56329), (619, 34671), (889, 24141), (1651, 12999), (1857, 11557), (2667, 8047), (4333, 4953)]