About the Number

21710080

21710079 ← → 21710081

2進数表記:1010010110100010100000000

漢数字表記:二千百七十一万八十

素因数分解:

2 8 × 5 1 × 7 1 × 2423 1

素因数の和:2451
約数の個数: 72
約数和(自身を含む): 59455872
約数和(自身を除く): 37745792

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2423, 4480, 4846, 8960, 9692, 12115, 16961, 19384, 24230, 33922, 38768, 48460, 67844, 77536, 84805, 96920, 135688, 155072, 169610, 193840, 271376, 310144, 339220, 387680, 542752, 620288, 678440, 775360, 1085504, 1356880, 1550720, 2171008, 2713760, 3101440, 4342016, 5427520, 10855040, 21710080]

約数ペア:
[(1, 21710080), (2, 10855040), (4, 5427520), (5, 4342016), (7, 3101440), (8, 2713760), (10, 2171008), (14, 1550720), (16, 1356880), (20, 1085504), (28, 775360), (32, 678440), (35, 620288), (40, 542752), (56, 387680), (64, 339220), (70, 310144), (80, 271376), (112, 193840), (128, 169610), (140, 155072), (160, 135688), (224, 96920), (256, 84805), (280, 77536), (320, 67844), (448, 48460), (560, 38768), (640, 33922), (896, 24230), (1120, 19384), (1280, 16961), (1792, 12115), (2240, 9692), (2423, 8960), (4480, 4846)]

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