About the Number

21590880

21590879 ← → 21590881

2進数表記:1010010010111001101100000

漢数字表記:二千百五十九万八百八十

素因数分解:

2 5 × 3 1 × 5 1 × 31 1 × 1451 1

素因数の和:1500
約数の個数: 96
約数和(自身を含む): 70253568
約数和(自身を除く): 48662688

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1451, 1488, 1860, 2480, 2902, 2976, 3720, 4353, 4960, 5804, 7255, 7440, 8706, 11608, 14510, 14880, 17412, 21765, 23216, 29020, 34824, 43530, 44981, 46432, 58040, 69648, 87060, 89962, 116080, 134943, 139296, 174120, 179924, 224905, 232160, 269886, 348240, 359848, 449810, 539772, 674715, 696480, 719696, 899620, 1079544, 1349430, 1439392, 1799240, 2159088, 2698860, 3598480, 4318176, 5397720, 7196960, 10795440, 21590880]

約数ペア:
[(1, 21590880), (2, 10795440), (3, 7196960), (4, 5397720), (5, 4318176), (6, 3598480), (8, 2698860), (10, 2159088), (12, 1799240), (15, 1439392), (16, 1349430), (20, 1079544), (24, 899620), (30, 719696), (31, 696480), (32, 674715), (40, 539772), (48, 449810), (60, 359848), (62, 348240), (80, 269886), (93, 232160), (96, 224905), (120, 179924), (124, 174120), (155, 139296), (160, 134943), (186, 116080), (240, 89962), (248, 87060), (310, 69648), (372, 58040), (465, 46432), (480, 44981), (496, 43530), (620, 34824), (744, 29020), (930, 23216), (992, 21765), (1240, 17412), (1451, 14880), (1488, 14510), (1860, 11608), (2480, 8706), (2902, 7440), (2976, 7255), (3720, 5804), (4353, 4960)]

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