About the Number

2127981828

2127981827 ← → 2127981829

2進数表記:1111110110101100110110100000100

漢数字表記:二十一億二千七百九十八万千八百二十八

素因数分解:

2 2 × 3 1 × 7 1 × 61 1 × 73 1 × 5689 1

素因数の和:5837
約数の個数: 96
約数和(自身を含む): 5847681280
約数和(自身を除く): 3719699452

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 73, 84, 122, 146, 183, 219, 244, 292, 366, 427, 438, 511, 732, 854, 876, 1022, 1281, 1533, 1708, 2044, 2562, 3066, 4453, 5124, 5689, 6132, 8906, 11378, 13359, 17067, 17812, 22756, 26718, 31171, 34134, 39823, 53436, 62342, 68268, 79646, 93513, 119469, 124684, 159292, 187026, 238938, 347029, 374052, 415297, 477876, 694058, 830594, 1041087, 1245891, 1388116, 1661188, 2082174, 2429203, 2491782, 2907079, 4164348, 4858406, 4983564, 5814158, 7287609, 8721237, 9716812, 11628316, 14575218, 17442474, 25333117, 29150436, 34884948, 50666234, 75999351, 101332468, 151998702, 177331819, 303997404, 354663638, 531995457, 709327276, 1063990914, 2127981828]

約数ペア:
[(1, 2127981828), (2, 1063990914), (3, 709327276), (4, 531995457), (6, 354663638), (7, 303997404), (12, 177331819), (14, 151998702), (21, 101332468), (28, 75999351), (42, 50666234), (61, 34884948), (73, 29150436), (84, 25333117), (122, 17442474), (146, 14575218), (183, 11628316), (219, 9716812), (244, 8721237), (292, 7287609), (366, 5814158), (427, 4983564), (438, 4858406), (511, 4164348), (732, 2907079), (854, 2491782), (876, 2429203), (1022, 2082174), (1281, 1661188), (1533, 1388116), (1708, 1245891), (2044, 1041087), (2562, 830594), (3066, 694058), (4453, 477876), (5124, 415297), (5689, 374052), (6132, 347029), (8906, 238938), (11378, 187026), (13359, 159292), (17067, 124684), (17812, 119469), (22756, 93513), (26718, 79646), (31171, 68268), (34134, 62342), (39823, 53436)]

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