21006108

素因数分解:

$2^2\times 3^3\times {\mathrm{67}}^1\times {\mathrm{2903}}^1$

素因数の和:2983

約数の個数: 48

約数和(自身を含む): 55292160

約数和(自身を除く): 34286052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 108, 134, 201, 268, 402, 603, 804, 1206, 1809, 2412, 2903, 3618, 5806, 7236, 8709, 11612, 17418, 26127, 34836, 52254, 78381, 104508, 156762, 194501, 313524, 389002, 583503, 778004, 1167006, 1750509, 2334012, 3501018, 5251527, 7002036, 10503054, 21006108]

約数ペア:

[(1, 21006108), (2, 10503054), (3, 7002036), (4, 5251527), (6, 3501018), (9, 2334012), (12, 1750509), (18, 1167006), (27, 778004), (36, 583503), (54, 389002), (67, 313524), (108, 194501), (134, 156762), (201, 104508), (268, 78381), (402, 52254), (603, 34836), (804, 26127), (1206, 17418), (1809, 11612), (2412, 8709), (2903, 7236), (3618, 5806)]