21413964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12479}}^1$

素因数の和:12510

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 37291956

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12479, 24958, 37437, 49916, 74874, 137269, 149748, 162227, 274538, 324454, 411807, 486681, 549076, 648908, 823614, 973362, 1647228, 1784497, 1946724, 3568994, 5353491, 7137988, 10706982, 21413964]

約数ペア:

[(1, 21413964), (2, 10706982), (3, 7137988), (4, 5353491), (6, 3568994), (11, 1946724), (12, 1784497), (13, 1647228), (22, 973362), (26, 823614), (33, 648908), (39, 549076), (44, 486681), (52, 411807), (66, 324454), (78, 274538), (132, 162227), (143, 149748), (156, 137269), (286, 74874), (429, 49916), (572, 37437), (858, 24958), (1716, 12479)]