21564480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3209}}^1$

素因数の和:3236

約数の個数: 112

約数和(自身を含む): 78272640

約数和(自身を除く): 56708160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3209, 3360, 6418, 6720, 9627, 12836, 16045, 19254, 22463, 25672, 32090, 38508, 44926, 48135, 51344, 64180, 67389, 77016, 89852, 96270, 102688, 112315, 128360, 134778, 154032, 179704, 192540, 205376, 224630, 256720, 269556, 308064, 336945, 359408, 385080, 449260, 513440, 539112, 616128, 673890, 718816, 770160, 898520, 1026880, 1078224, 1347780, 1437632, 1540320, 1797040, 2156448, 2695560, 3080640, 3594080, 4312896, 5391120, 7188160, 10782240, 21564480]

約数ペア:

[(1, 21564480), (2, 10782240), (3, 7188160), (4, 5391120), (5, 4312896), (6, 3594080), (7, 3080640), (8, 2695560), (10, 2156448), (12, 1797040), (14, 1540320), (15, 1437632), (16, 1347780), (20, 1078224), (21, 1026880), (24, 898520), (28, 770160), (30, 718816), (32, 673890), (35, 616128), (40, 539112), (42, 513440), (48, 449260), (56, 385080), (60, 359408), (64, 336945), (70, 308064), (80, 269556), (84, 256720), (96, 224630), (105, 205376), (112, 192540), (120, 179704), (140, 154032), (160, 134778), (168, 128360), (192, 112315), (210, 102688), (224, 96270), (240, 89852), (280, 77016), (320, 67389), (336, 64180), (420, 51344), (448, 48135), (480, 44926), (560, 38508), (672, 32090), (840, 25672), (960, 22463), (1120, 19254), (1344, 16045), (1680, 12836), (2240, 9627), (3209, 6720), (3360, 6418)]