About the Number

421386

421385 ← → 421387

2進数表記:1100110111000001010

漢数字表記:四十二万千三百八十六

素因数分解:

2 1 × 3 1 × 7 1 × 79 1 × 127 1

素因数の和:218
約数の個数: 32
約数和(自身を含む): 983040
約数和(自身を除く): 561654

約数列:
[1, 2, 3, 6, 7, 14, 21, 42, 79, 127, 158, 237, 254, 381, 474, 553, 762, 889, 1106, 1659, 1778, 2667, 3318, 5334, 10033, 20066, 30099, 60198, 70231, 140462, 210693, 421386]

約数ペア:
[(1, 421386), (2, 210693), (3, 140462), (6, 70231), (7, 60198), (14, 30099), (21, 20066), (42, 10033), (79, 5334), (127, 3318), (158, 2667), (237, 1778), (254, 1659), (381, 1106), (474, 889), (553, 762)]

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