21285504

素因数分解:

$2^7\times 3^4\times {\mathrm{2053}}^1$

素因数の和:2079

約数の個数: 80

約数和(自身を含む): 63376170

約数和(自身を除く): 42090666

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2053, 2592, 3456, 4106, 5184, 6159, 8212, 10368, 12318, 16424, 18477, 24636, 32848, 36954, 49272, 55431, 65696, 73908, 98544, 110862, 131392, 147816, 166293, 197088, 221724, 262784, 295632, 332586, 394176, 443448, 591264, 665172, 788352, 886896, 1182528, 1330344, 1773792, 2365056, 2660688, 3547584, 5321376, 7095168, 10642752, 21285504]

約数ペア:

[(1, 21285504), (2, 10642752), (3, 7095168), (4, 5321376), (6, 3547584), (8, 2660688), (9, 2365056), (12, 1773792), (16, 1330344), (18, 1182528), (24, 886896), (27, 788352), (32, 665172), (36, 591264), (48, 443448), (54, 394176), (64, 332586), (72, 295632), (81, 262784), (96, 221724), (108, 197088), (128, 166293), (144, 147816), (162, 131392), (192, 110862), (216, 98544), (288, 73908), (324, 65696), (384, 55431), (432, 49272), (576, 36954), (648, 32848), (864, 24636), (1152, 18477), (1296, 16424), (1728, 12318), (2053, 10368), (2592, 8212), (3456, 6159), (4106, 5184)]