About the Number

21249384

21249383 ← → 21249385

2進数表記:1010001000011110101101000

漢数字表記:二千百二十四万九千三百八十四

素因数分解:

2 3 × 3 1 × 13 4 × 31 1

素因数の和:92
約数の個数: 80
約数和(自身を含む): 59406720
約数和(自身を除く): 38157336

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 169, 186, 248, 312, 338, 372, 403, 507, 676, 744, 806, 1014, 1209, 1352, 1612, 2028, 2197, 2418, 3224, 4056, 4394, 4836, 5239, 6591, 8788, 9672, 10478, 13182, 15717, 17576, 20956, 26364, 28561, 31434, 41912, 52728, 57122, 62868, 68107, 85683, 114244, 125736, 136214, 171366, 204321, 228488, 272428, 342732, 408642, 544856, 685464, 817284, 885391, 1634568, 1770782, 2656173, 3541564, 5312346, 7083128, 10624692, 21249384]

約数ペア:
[(1, 21249384), (2, 10624692), (3, 7083128), (4, 5312346), (6, 3541564), (8, 2656173), (12, 1770782), (13, 1634568), (24, 885391), (26, 817284), (31, 685464), (39, 544856), (52, 408642), (62, 342732), (78, 272428), (93, 228488), (104, 204321), (124, 171366), (156, 136214), (169, 125736), (186, 114244), (248, 85683), (312, 68107), (338, 62868), (372, 57122), (403, 52728), (507, 41912), (676, 31434), (744, 28561), (806, 26364), (1014, 20956), (1209, 17576), (1352, 15717), (1612, 13182), (2028, 10478), (2197, 9672), (2418, 8788), (3224, 6591), (4056, 5239), (4394, 4836)]

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