21703080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3691}}^1$

素因数の和:3719

約数の個数: 96

約数和(自身を含む): 75759840

約数和(自身を除く): 54056760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3691, 5880, 7382, 11073, 14764, 18455, 22146, 25837, 29528, 36910, 44292, 51674, 55365, 73820, 77511, 88584, 103348, 110730, 129185, 147640, 155022, 180859, 206696, 221460, 258370, 310044, 361718, 387555, 442920, 516740, 542577, 620088, 723436, 775110, 904295, 1033480, 1085154, 1446872, 1550220, 1808590, 2170308, 2712885, 3100440, 3617180, 4340616, 5425770, 7234360, 10851540, 21703080]

約数ペア:

[(1, 21703080), (2, 10851540), (3, 7234360), (4, 5425770), (5, 4340616), (6, 3617180), (7, 3100440), (8, 2712885), (10, 2170308), (12, 1808590), (14, 1550220), (15, 1446872), (20, 1085154), (21, 1033480), (24, 904295), (28, 775110), (30, 723436), (35, 620088), (40, 542577), (42, 516740), (49, 442920), (56, 387555), (60, 361718), (70, 310044), (84, 258370), (98, 221460), (105, 206696), (120, 180859), (140, 155022), (147, 147640), (168, 129185), (196, 110730), (210, 103348), (245, 88584), (280, 77511), (294, 73820), (392, 55365), (420, 51674), (490, 44292), (588, 36910), (735, 29528), (840, 25837), (980, 22146), (1176, 18455), (1470, 14764), (1960, 11073), (2940, 7382), (3691, 5880)]