21988596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3907}}^1$

素因数の和:3988

約数の個数: 48

約数和(自身を含む): 59526656

約数和(自身を除く): 37538060

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3907, 5628, 7814, 11721, 15628, 23442, 27349, 46884, 54698, 82047, 109396, 164094, 261769, 328188, 523538, 785307, 1047076, 1570614, 1832383, 3141228, 3664766, 5497149, 7329532, 10994298, 21988596]

約数ペア:

[(1, 21988596), (2, 10994298), (3, 7329532), (4, 5497149), (6, 3664766), (7, 3141228), (12, 1832383), (14, 1570614), (21, 1047076), (28, 785307), (42, 523538), (67, 328188), (84, 261769), (134, 164094), (201, 109396), (268, 82047), (402, 54698), (469, 46884), (804, 27349), (938, 23442), (1407, 15628), (1876, 11721), (2814, 7814), (3907, 5628)]