21048534

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 49441392

約数和(自身を除く): 28392858

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 293, 307, 586, 614, 879, 921, 1758, 1842, 2637, 2763, 3809, 3991, 5274, 5526, 7618, 7982, 11427, 11973, 22854, 23946, 34281, 35919, 68562, 71838, 89951, 179902, 269853, 539706, 809559, 1169363, 1619118, 2338726, 3508089, 7016178, 10524267, 21048534]

約数ペア:

[(1, 21048534), (2, 10524267), (3, 7016178), (6, 3508089), (9, 2338726), (13, 1619118), (18, 1169363), (26, 809559), (39, 539706), (78, 269853), (117, 179902), (234, 89951), (293, 71838), (307, 68562), (586, 35919), (614, 34281), (879, 23946), (921, 22854), (1758, 11973), (1842, 11427), (2637, 7982), (2763, 7618), (3809, 5526), (3991, 5274)]