About the Number

21434880

21434879 ← → 21434881

2進数表記:1010001110001001000000000

漢数字表記:二千百四十三万四千八百八十

素因数分解:

2 9 × 3 1 × 5 1 × 2791 1

素因数の和:2817
約数の個数: 80
約数和(自身を含む): 68549184
約数和(自身を除く): 47114304

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2791, 3840, 5582, 7680, 8373, 11164, 13955, 16746, 22328, 27910, 33492, 41865, 44656, 55820, 66984, 83730, 89312, 111640, 133968, 167460, 178624, 223280, 267936, 334920, 357248, 446560, 535872, 669840, 714496, 893120, 1071744, 1339680, 1428992, 1786240, 2143488, 2679360, 3572480, 4286976, 5358720, 7144960, 10717440, 21434880]

約数ペア:
[(1, 21434880), (2, 10717440), (3, 7144960), (4, 5358720), (5, 4286976), (6, 3572480), (8, 2679360), (10, 2143488), (12, 1786240), (15, 1428992), (16, 1339680), (20, 1071744), (24, 893120), (30, 714496), (32, 669840), (40, 535872), (48, 446560), (60, 357248), (64, 334920), (80, 267936), (96, 223280), (120, 178624), (128, 167460), (160, 133968), (192, 111640), (240, 89312), (256, 83730), (320, 66984), (384, 55820), (480, 44656), (512, 41865), (640, 33492), (768, 27910), (960, 22328), (1280, 16746), (1536, 13955), (1920, 11164), (2560, 8373), (2791, 7680), (3840, 5582)]

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