21642876

素因数分解:

$2^2\times 3^4\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 60

約数和(自身を含む): 57480808

約数和(自身を除く): 35837932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 268, 324, 402, 603, 804, 997, 1206, 1809, 1994, 2412, 2991, 3618, 3988, 5427, 5982, 7236, 8973, 10854, 11964, 17946, 21708, 26919, 35892, 53838, 66799, 80757, 107676, 133598, 161514, 200397, 267196, 323028, 400794, 601191, 801588, 1202382, 1803573, 2404764, 3607146, 5410719, 7214292, 10821438, 21642876]

約数ペア:

[(1, 21642876), (2, 10821438), (3, 7214292), (4, 5410719), (6, 3607146), (9, 2404764), (12, 1803573), (18, 1202382), (27, 801588), (36, 601191), (54, 400794), (67, 323028), (81, 267196), (108, 200397), (134, 161514), (162, 133598), (201, 107676), (268, 80757), (324, 66799), (402, 53838), (603, 35892), (804, 26919), (997, 21708), (1206, 17946), (1809, 11964), (1994, 10854), (2412, 8973), (2991, 7236), (3618, 5982), (3988, 5427)]