About the Number

21291842

21291841 ← → 21291843

2進数表記:1010001001110001101000010

漢数字表記:二千百二十九万千八百四十二

素因数分解:

2 1 × 11 1 × 13 1 × 109 1 × 683 1

素因数の和:818
約数の個数: 32
約数和(自身を含む): 37920960
約数和(自身を除く): 16629118

約数列:
[1, 2, 11, 13, 22, 26, 109, 143, 218, 286, 683, 1199, 1366, 1417, 2398, 2834, 7513, 8879, 15026, 15587, 17758, 31174, 74447, 97669, 148894, 195338, 818917, 967811, 1637834, 1935622, 10645921, 21291842]

約数ペア:
[(1, 21291842), (2, 10645921), (11, 1935622), (13, 1637834), (22, 967811), (26, 818917), (109, 195338), (143, 148894), (218, 97669), (286, 74447), (683, 31174), (1199, 17758), (1366, 15587), (1417, 15026), (2398, 8879), (2834, 7513)]

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