About the Number

21061440

21061439 ← → 21061441

2進数表記:1010000010101111101000000

漢数字表記:二千百六万千四百四十

素因数分解:

2 6 × 3 2 × 5 1 × 71 1 × 103 1

素因数の和:197
約数の個数: 168
約数和(自身を含む): 74176128
約数和(自身を除く): 53114688

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 103, 120, 142, 144, 160, 180, 192, 206, 213, 240, 284, 288, 309, 320, 355, 360, 412, 426, 480, 515, 568, 576, 618, 639, 710, 720, 824, 852, 927, 960, 1030, 1065, 1136, 1236, 1278, 1420, 1440, 1545, 1648, 1704, 1854, 2060, 2130, 2272, 2472, 2556, 2840, 2880, 3090, 3195, 3296, 3408, 3708, 4120, 4260, 4544, 4635, 4944, 5112, 5680, 6180, 6390, 6592, 6816, 7313, 7416, 8240, 8520, 9270, 9888, 10224, 11360, 12360, 12780, 13632, 14626, 14832, 16480, 17040, 18540, 19776, 20448, 21939, 22720, 24720, 25560, 29252, 29664, 32960, 34080, 36565, 37080, 40896, 43878, 49440, 51120, 58504, 59328, 65817, 68160, 73130, 74160, 87756, 98880, 102240, 109695, 117008, 131634, 146260, 148320, 175512, 204480, 219390, 234016, 263268, 292520, 296640, 329085, 351024, 438780, 468032, 526536, 585040, 658170, 702048, 877560, 1053072, 1170080, 1316340, 1404096, 1755120, 2106144, 2340160, 2632680, 3510240, 4212288, 5265360, 7020480, 10530720, 21061440]

約数ペア:
[(1, 21061440), (2, 10530720), (3, 7020480), (4, 5265360), (5, 4212288), (6, 3510240), (8, 2632680), (9, 2340160), (10, 2106144), (12, 1755120), (15, 1404096), (16, 1316340), (18, 1170080), (20, 1053072), (24, 877560), (30, 702048), (32, 658170), (36, 585040), (40, 526536), (45, 468032), (48, 438780), (60, 351024), (64, 329085), (71, 296640), (72, 292520), (80, 263268), (90, 234016), (96, 219390), (103, 204480), (120, 175512), (142, 148320), (144, 146260), (160, 131634), (180, 117008), (192, 109695), (206, 102240), (213, 98880), (240, 87756), (284, 74160), (288, 73130), (309, 68160), (320, 65817), (355, 59328), (360, 58504), (412, 51120), (426, 49440), (480, 43878), (515, 40896), (568, 37080), (576, 36565), (618, 34080), (639, 32960), (710, 29664), (720, 29252), (824, 25560), (852, 24720), (927, 22720), (960, 21939), (1030, 20448), (1065, 19776), (1136, 18540), (1236, 17040), (1278, 16480), (1420, 14832), (1440, 14626), (1545, 13632), (1648, 12780), (1704, 12360), (1854, 11360), (2060, 10224), (2130, 9888), (2272, 9270), (2472, 8520), (2556, 8240), (2840, 7416), (2880, 7313), (3090, 6816), (3195, 6592), (3296, 6390), (3408, 6180), (3708, 5680), (4120, 5112), (4260, 4944), (4544, 4635)]

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