About the Number

21006968

21006967 ← → 21006969

2進数表記:1010000001000101001111000

漢数字表記:二千百万六千九百六十八

素因数分解:

2 3 × 17 1 × 83 1 × 1861 1

素因数の和:1967
約数の個数: 32
約数和(自身を含む): 42230160
約数和(自身を除く): 21223192

約数列:
[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1861, 2822, 3722, 5644, 7444, 11288, 14888, 31637, 63274, 126548, 154463, 253096, 308926, 617852, 1235704, 2625871, 5251742, 10503484, 21006968]

約数ペア:
[(1, 21006968), (2, 10503484), (4, 5251742), (8, 2625871), (17, 1235704), (34, 617852), (68, 308926), (83, 253096), (136, 154463), (166, 126548), (332, 63274), (664, 31637), (1411, 14888), (1861, 11288), (2822, 7444), (3722, 5644)]

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