About the Number

2121036680

2121036679 ← → 2121036681

2進数表記:1111110011011000111001110001000

漢数字表記:二十一億二千百三万六千六百八十

素因数分解:

2 3 × 5 1 × 7 1 × 47 1 × 53 1 × 3041 1

素因数の和:3159
約数の個数: 128
約数和(自身を含む): 5677102080
約数和(自身を除く): 3556065400

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 53, 56, 70, 94, 106, 140, 188, 212, 235, 265, 280, 329, 371, 376, 424, 470, 530, 658, 742, 940, 1060, 1316, 1484, 1645, 1855, 1880, 2120, 2491, 2632, 2968, 3041, 3290, 3710, 4982, 6082, 6580, 7420, 9964, 12164, 12455, 13160, 14840, 15205, 17437, 19928, 21287, 24328, 24910, 30410, 34874, 42574, 49820, 60820, 69748, 85148, 87185, 99640, 106435, 121640, 139496, 142927, 161173, 170296, 174370, 212870, 285854, 322346, 348740, 425740, 571708, 644692, 697480, 714635, 805865, 851480, 1000489, 1128211, 1143416, 1289384, 1429270, 1611730, 2000978, 2256422, 2858540, 3223460, 4001956, 4512844, 5002445, 5641055, 5717080, 6446920, 7575131, 8003912, 9025688, 10004890, 11282110, 15150262, 20009780, 22564220, 30300524, 37875655, 40019560, 45128440, 53025917, 60601048, 75751310, 106051834, 151502620, 212103668, 265129585, 303005240, 424207336, 530259170, 1060518340, 2121036680]

約数ペア:
[(1, 2121036680), (2, 1060518340), (4, 530259170), (5, 424207336), (7, 303005240), (8, 265129585), (10, 212103668), (14, 151502620), (20, 106051834), (28, 75751310), (35, 60601048), (40, 53025917), (47, 45128440), (53, 40019560), (56, 37875655), (70, 30300524), (94, 22564220), (106, 20009780), (140, 15150262), (188, 11282110), (212, 10004890), (235, 9025688), (265, 8003912), (280, 7575131), (329, 6446920), (371, 5717080), (376, 5641055), (424, 5002445), (470, 4512844), (530, 4001956), (658, 3223460), (742, 2858540), (940, 2256422), (1060, 2000978), (1316, 1611730), (1484, 1429270), (1645, 1289384), (1855, 1143416), (1880, 1128211), (2120, 1000489), (2491, 851480), (2632, 805865), (2968, 714635), (3041, 697480), (3290, 644692), (3710, 571708), (4982, 425740), (6082, 348740), (6580, 322346), (7420, 285854), (9964, 212870), (12164, 174370), (12455, 170296), (13160, 161173), (14840, 142927), (15205, 139496), (17437, 121640), (19928, 106435), (21287, 99640), (24328, 87185), (24910, 85148), (30410, 69748), (34874, 60820), (42574, 49820)]

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