About the Number

21492810

21492809 ← → 21492811

2進数表記:1010001111111010001001010

漢数字表記:二千百四十九万二千八百十

素因数分解:

2 1 × 3 3 × 5 1 × 23 1 × 3461 1

素因数の和:3500
約数の個数: 64
約数和(自身を含む): 59823360
約数和(自身を除く): 38330550

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 3461, 6210, 6922, 10383, 17305, 20766, 31149, 34610, 51915, 62298, 79603, 93447, 103830, 155745, 159206, 186894, 238809, 311490, 398015, 467235, 477618, 716427, 796030, 934470, 1194045, 1432854, 2149281, 2388090, 3582135, 4298562, 7164270, 10746405, 21492810]

約数ペア:
[(1, 21492810), (2, 10746405), (3, 7164270), (5, 4298562), (6, 3582135), (9, 2388090), (10, 2149281), (15, 1432854), (18, 1194045), (23, 934470), (27, 796030), (30, 716427), (45, 477618), (46, 467235), (54, 398015), (69, 311490), (90, 238809), (115, 186894), (135, 159206), (138, 155745), (207, 103830), (230, 93447), (270, 79603), (345, 62298), (414, 51915), (621, 34610), (690, 31149), (1035, 20766), (1242, 17305), (2070, 10383), (3105, 6922), (3461, 6210)]

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