About the Number

21642660

21642659 ← → 21642661

2進数表記:1010010100011110110100100

漢数字表記:二千百六十四万二千六百六十

素因数分解:

2 2 × 3 3 × 5 1 × 13 1 × 3083 1

素因数の和:3114
約数の個数: 96
約数和(自身を含む): 72535680
約数和(自身を除く): 50893020

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3083, 3510, 6166, 7020, 9249, 12332, 15415, 18498, 27747, 30830, 36996, 40079, 46245, 55494, 61660, 80158, 83241, 92490, 110988, 120237, 138735, 160316, 166482, 184980, 200395, 240474, 277470, 332964, 360711, 400790, 416205, 480948, 554940, 601185, 721422, 801580, 832410, 1082133, 1202370, 1442844, 1664820, 1803555, 2164266, 2404740, 3607110, 4328532, 5410665, 7214220, 10821330, 21642660]

約数ペア:
[(1, 21642660), (2, 10821330), (3, 7214220), (4, 5410665), (5, 4328532), (6, 3607110), (9, 2404740), (10, 2164266), (12, 1803555), (13, 1664820), (15, 1442844), (18, 1202370), (20, 1082133), (26, 832410), (27, 801580), (30, 721422), (36, 601185), (39, 554940), (45, 480948), (52, 416205), (54, 400790), (60, 360711), (65, 332964), (78, 277470), (90, 240474), (108, 200395), (117, 184980), (130, 166482), (135, 160316), (156, 138735), (180, 120237), (195, 110988), (234, 92490), (260, 83241), (270, 80158), (351, 61660), (390, 55494), (468, 46245), (540, 40079), (585, 36996), (702, 30830), (780, 27747), (1170, 18498), (1404, 15415), (1755, 12332), (2340, 9249), (3083, 7020), (3510, 6166)]

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