About the Number

1330707921

1330707920 ← → 1330707922

2進数表記:1001111010100001111110111010001

漢数字表記:十三億三千七十万七千九百二十一

素因数分解:

3 1 × 19 1 × 971 1 × 24043 1

素因数の和:25036
約数の個数: 16
約数和(自身を含む): 1869661440
約数和(自身を除く): 538953519

約数列:
[1, 3, 19, 57, 971, 2913, 18449, 24043, 55347, 72129, 456817, 1370451, 23345753, 70037259, 443569307, 1330707921]

約数ペア:
[(1, 1330707921), (3, 443569307), (19, 70037259), (57, 23345753), (971, 1370451), (2913, 456817), (18449, 72129), (24043, 55347)]

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