About the Number

2121618768

2121618767 ← → 2121618769

2進数表記:1111110011101010101010101010000

漢数字表記:二十一億二千百六十一万八千七百六十八

素因数分解:

2 4 × 3 1 × 17 1 × 167 1 × 15569 1

素因数の和:15764
約数の個数: 80
約数和(自身を含む): 5838376320
約数和(自身を除く): 3716757552

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 167, 204, 272, 334, 408, 501, 668, 816, 1002, 1336, 2004, 2672, 2839, 4008, 5678, 8016, 8517, 11356, 15569, 17034, 22712, 31138, 34068, 45424, 46707, 62276, 68136, 93414, 124552, 136272, 186828, 249104, 264673, 373656, 529346, 747312, 794019, 1058692, 1588038, 2117384, 2600023, 3176076, 4234768, 5200046, 6352152, 7800069, 10400092, 12704304, 15600138, 20800184, 31200276, 41600368, 44200391, 62400552, 88400782, 124801104, 132601173, 176801564, 265202346, 353603128, 530404692, 707206256, 1060809384, 2121618768]

約数ペア:
[(1, 2121618768), (2, 1060809384), (3, 707206256), (4, 530404692), (6, 353603128), (8, 265202346), (12, 176801564), (16, 132601173), (17, 124801104), (24, 88400782), (34, 62400552), (48, 44200391), (51, 41600368), (68, 31200276), (102, 20800184), (136, 15600138), (167, 12704304), (204, 10400092), (272, 7800069), (334, 6352152), (408, 5200046), (501, 4234768), (668, 3176076), (816, 2600023), (1002, 2117384), (1336, 1588038), (2004, 1058692), (2672, 794019), (2839, 747312), (4008, 529346), (5678, 373656), (8016, 264673), (8517, 249104), (11356, 186828), (15569, 136272), (17034, 124552), (22712, 93414), (31138, 68136), (34068, 62276), (45424, 46707)]

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