About the Number

2170915.00000000

20423171 ← → 20423173

2進数表記:1001101111010001000000100

漢数字表記:二千四十二万三千百七十二

素因数分解:

2 2 × 3 1 × 7 1 × 11 1 × 23 1 × 31 2

素因数の和:110
約数の個数: 144
約数和(自身を含む): 64060416
約数和(自身を除く): 43637244

約数列:
[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 31, 33, 42, 44, 46, 62, 66, 69, 77, 84, 92, 93, 124, 132, 138, 154, 161, 186, 217, 231, 253, 276, 308, 322, 341, 372, 434, 462, 483, 506, 644, 651, 682, 713, 759, 868, 924, 961, 966, 1012, 1023, 1302, 1364, 1426, 1518, 1771, 1922, 1932, 2046, 2139, 2387, 2604, 2852, 2883, 3036, 3542, 3844, 4092, 4278, 4774, 4991, 5313, 5766, 6727, 7084, 7161, 7843, 8556, 9548, 9982, 10571, 10626, 11532, 13454, 14322, 14973, 15686, 19964, 20181, 21142, 21252, 22103, 23529, 26908, 28644, 29946, 31372, 31713, 40362, 42284, 44206, 47058, 54901, 59892, 63426, 66309, 73997, 80724, 88412, 94116, 109802, 126852, 132618, 147994, 154721, 164703, 219604, 221991, 243133, 265236, 295988, 309442, 329406, 443982, 464163, 486266, 618884, 658812, 729399, 887964, 928326, 972532, 1458798, 1701931, 1856652, 2917596, 3403862, 5105793, 6807724, 10211586, 20423172]

約数ペア:
[(1, 20423172), (2, 10211586), (3, 6807724), (4, 5105793), (6, 3403862), (7, 2917596), (11, 1856652), (12, 1701931), (14, 1458798), (21, 972532), (22, 928326), (23, 887964), (28, 729399), (31, 658812), (33, 618884), (42, 486266), (44, 464163), (46, 443982), (62, 329406), (66, 309442), (69, 295988), (77, 265236), (84, 243133), (92, 221991), (93, 219604), (124, 164703), (132, 154721), (138, 147994), (154, 132618), (161, 126852), (186, 109802), (217, 94116), (231, 88412), (253, 80724), (276, 73997), (308, 66309), (322, 63426), (341, 59892), (372, 54901), (434, 47058), (462, 44206), (483, 42284), (506, 40362), (644, 31713), (651, 31372), (682, 29946), (713, 28644), (759, 26908), (868, 23529), (924, 22103), (961, 21252), (966, 21142), (1012, 20181), (1023, 19964), (1302, 15686), (1364, 14973), (1426, 14322), (1518, 13454), (1771, 11532), (1922, 10626), (1932, 10571), (2046, 9982), (2139, 9548), (2387, 8556), (2604, 7843), (2852, 7161), (2883, 7084), (3036, 6727), (3542, 5766), (3844, 5313), (4092, 4991), (4278, 4774)]

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