About the Number

29721972

29721971 ← → 29721973

2進数表記:1110001011000010101110100

漢数字表記:二千九百七十二万千九百七十二

素因数分解:

2 2 × 3 1 × 7 1 × 353833 1

素因数の和:353847
約数の個数: 24
約数和(自身を含む): 79258816
約数和(自身を除く): 49536844

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353833, 707666, 1061499, 1415332, 2122998, 2476831, 4245996, 4953662, 7430493, 9907324, 14860986, 29721972]

約数ペア:
[(1, 29721972), (2, 14860986), (3, 9907324), (4, 7430493), (6, 4953662), (7, 4245996), (12, 2476831), (14, 2122998), (21, 1415332), (28, 1061499), (42, 707666), (84, 353833)]

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