About the Number

21108672

21108671 ← → 21108673

2進数表記:1010000100001011111000000

漢数字表記:二千百十万八千六百七十二

素因数分解:

2 6 × 3 2 × 13 1 × 2819 1

素因数の和:2850
約数の個数: 84
約数和(自身を含む): 65181480
約数和(自身を除く): 44072808

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 2819, 3744, 5638, 7488, 8457, 11276, 16914, 22552, 25371, 33828, 36647, 45104, 50742, 67656, 73294, 90208, 101484, 109941, 135312, 146588, 180416, 202968, 219882, 270624, 293176, 329823, 405936, 439764, 541248, 586352, 659646, 811872, 879528, 1172704, 1319292, 1623744, 1759056, 2345408, 2638584, 3518112, 5277168, 7036224, 10554336, 21108672]

約数ペア:
[(1, 21108672), (2, 10554336), (3, 7036224), (4, 5277168), (6, 3518112), (8, 2638584), (9, 2345408), (12, 1759056), (13, 1623744), (16, 1319292), (18, 1172704), (24, 879528), (26, 811872), (32, 659646), (36, 586352), (39, 541248), (48, 439764), (52, 405936), (64, 329823), (72, 293176), (78, 270624), (96, 219882), (104, 202968), (117, 180416), (144, 146588), (156, 135312), (192, 109941), (208, 101484), (234, 90208), (288, 73294), (312, 67656), (416, 50742), (468, 45104), (576, 36647), (624, 33828), (832, 25371), (936, 22552), (1248, 16914), (1872, 11276), (2496, 8457), (2819, 7488), (3744, 5638)]

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