About the Number

21438704

21438703 ← → 21438705

2進数表記:1010001110010000011110000

漢数字表記:二千百四十三万八千七百四

素因数分解:

2 4 × 7 1 × 79 1 × 2423 1

素因数の和:2517
約数の個数: 40
約数和(自身を含む): 48092160
約数和(自身を除く): 26653456

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2423, 4424, 4846, 8848, 9692, 16961, 19384, 33922, 38768, 67844, 135688, 191417, 271376, 382834, 765668, 1339919, 1531336, 2679838, 3062672, 5359676, 10719352, 21438704]

約数ペア:
[(1, 21438704), (2, 10719352), (4, 5359676), (7, 3062672), (8, 2679838), (14, 1531336), (16, 1339919), (28, 765668), (56, 382834), (79, 271376), (112, 191417), (158, 135688), (316, 67844), (553, 38768), (632, 33922), (1106, 19384), (1264, 16961), (2212, 9692), (2423, 8848), (4424, 4846)]

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