About the Number

21244020

21244019 ← → 21244021

2進数表記:1010001000010100001110100

漢数字表記:二千百二十四万四千二十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 50581 1

素因数の和:50600
約数の個数: 48
約数和(自身を含む): 67982208
約数和(自身を除く): 46738188

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50581, 101162, 151743, 202324, 252905, 303486, 354067, 505810, 606972, 708134, 758715, 1011620, 1062201, 1416268, 1517430, 1770335, 2124402, 3034860, 3540670, 4248804, 5311005, 7081340, 10622010, 21244020]

約数ペア:
[(1, 21244020), (2, 10622010), (3, 7081340), (4, 5311005), (5, 4248804), (6, 3540670), (7, 3034860), (10, 2124402), (12, 1770335), (14, 1517430), (15, 1416268), (20, 1062201), (21, 1011620), (28, 758715), (30, 708134), (35, 606972), (42, 505810), (60, 354067), (70, 303486), (84, 252905), (105, 202324), (140, 151743), (210, 101162), (420, 50581)]

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