21095136

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:928

約数の個数: 72

約数和(自身を含む): 60737040

約数和(自身を除く): 39641904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 823, 1068, 1424, 1602, 1646, 2136, 2469, 2848, 3204, 3292, 4272, 4938, 6408, 6584, 7407, 8544, 9876, 12816, 13168, 14814, 19752, 25632, 26336, 29628, 39504, 59256, 73247, 79008, 118512, 146494, 219741, 237024, 292988, 439482, 585976, 659223, 878964, 1171952, 1318446, 1757928, 2343904, 2636892, 3515856, 5273784, 7031712, 10547568, 21095136]

約数ペア:

[(1, 21095136), (2, 10547568), (3, 7031712), (4, 5273784), (6, 3515856), (8, 2636892), (9, 2343904), (12, 1757928), (16, 1318446), (18, 1171952), (24, 878964), (32, 659223), (36, 585976), (48, 439482), (72, 292988), (89, 237024), (96, 219741), (144, 146494), (178, 118512), (267, 79008), (288, 73247), (356, 59256), (534, 39504), (712, 29628), (801, 26336), (823, 25632), (1068, 19752), (1424, 14814), (1602, 13168), (1646, 12816), (2136, 9876), (2469, 8544), (2848, 7407), (3204, 6584), (3292, 6408), (4272, 4938)]