21786516

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{3307}}^1$

素因数の和:3381

約数の個数: 48

約数和(自身を含む): 57426880

約数和(自身を除く): 35640364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3294, 3307, 6588, 6614, 9921, 13228, 19842, 29763, 39684, 59526, 89289, 119052, 178578, 201727, 357156, 403454, 605181, 806908, 1210362, 1815543, 2420724, 3631086, 5446629, 7262172, 10893258, 21786516]

約数ペア:

[(1, 21786516), (2, 10893258), (3, 7262172), (4, 5446629), (6, 3631086), (9, 2420724), (12, 1815543), (18, 1210362), (27, 806908), (36, 605181), (54, 403454), (61, 357156), (108, 201727), (122, 178578), (183, 119052), (244, 89289), (366, 59526), (549, 39684), (732, 29763), (1098, 19842), (1647, 13228), (2196, 9921), (3294, 6614), (3307, 6588)]