About the Number

2100201210

2100201209 ← → 2100201211

2進数表記:1111101001011101000011011111010

漢数字表記:二十一億二十万千二百十

素因数分解:

2 1 × 3 4 × 5 1 × 163 1 × 15907 1

素因数の和:16089
約数の個数: 80
約数和(自身を含む): 5682210336
約数和(自身を除く): 3582009126

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 163, 270, 326, 405, 489, 810, 815, 978, 1467, 1630, 2445, 2934, 4401, 4890, 7335, 8802, 13203, 14670, 15907, 22005, 26406, 31814, 44010, 47721, 66015, 79535, 95442, 132030, 143163, 159070, 238605, 286326, 429489, 477210, 715815, 858978, 1288467, 1431630, 2147445, 2576934, 2592841, 4294890, 5185682, 6442335, 7778523, 12884670, 12964205, 15557046, 23335569, 25928410, 38892615, 46671138, 70006707, 77785230, 116677845, 140013414, 210020121, 233355690, 350033535, 420040242, 700067070, 1050100605, 2100201210]

約数ペア:
[(1, 2100201210), (2, 1050100605), (3, 700067070), (5, 420040242), (6, 350033535), (9, 233355690), (10, 210020121), (15, 140013414), (18, 116677845), (27, 77785230), (30, 70006707), (45, 46671138), (54, 38892615), (81, 25928410), (90, 23335569), (135, 15557046), (162, 12964205), (163, 12884670), (270, 7778523), (326, 6442335), (405, 5185682), (489, 4294890), (810, 2592841), (815, 2576934), (978, 2147445), (1467, 1431630), (1630, 1288467), (2445, 858978), (2934, 715815), (4401, 477210), (4890, 429489), (7335, 286326), (8802, 238605), (13203, 159070), (14670, 143163), (15907, 132030), (22005, 95442), (26406, 79535), (31814, 66015), (44010, 47721)]

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