About the Number

21231270

21231269 ← → 21231271

2進数表記:1010000111111011010100110

漢数字表記:二千百二十三万千二百七十

素因数分解:

2 1 × 3 2 × 5 1 × 53 1 × 4451 1

素因数の和:4517
約数の個数: 48
約数和(自身を含む): 56255472
約数和(自身を除く): 35024202

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4451, 4770, 8902, 13353, 22255, 26706, 40059, 44510, 66765, 80118, 133530, 200295, 235903, 400590, 471806, 707709, 1179515, 1415418, 2123127, 2359030, 3538545, 4246254, 7077090, 10615635, 21231270]

約数ペア:
[(1, 21231270), (2, 10615635), (3, 7077090), (5, 4246254), (6, 3538545), (9, 2359030), (10, 2123127), (15, 1415418), (18, 1179515), (30, 707709), (45, 471806), (53, 400590), (90, 235903), (106, 200295), (159, 133530), (265, 80118), (318, 66765), (477, 44510), (530, 40059), (795, 26706), (954, 22255), (1590, 13353), (2385, 8902), (4451, 4770)]

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