About the Number
2021105940
2進数表記:1111000011101111010000100010100
漢数字表記:二十億二千百十万五千九百四十
素因数分解:
素因数の和:5566
約数の個数: 144
約数和(自身を含む): 6636091392
約数和(自身を除く): 4614985452
約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 381, 420, 490, 508, 588, 635, 735, 762, 889, 980, 1270, 1470, 1524, 1778, 1905, 2540, 2667, 2940, 3556, 3810, 4445, 5334, 5413, 6223, 7620, 8890, 10668, 10826, 12446, 13335, 16239, 17780, 18669, 21652, 24892, 26670, 27065, 31115, 32478, 37338, 37891, 53340, 54130, 62230, 64956, 74676, 75782, 81195, 93345, 108260, 113673, 124460, 151564, 162390, 186690, 189455, 227346, 265237, 324780, 373380, 378910, 454692, 530474, 568365, 687451, 757820, 795711, 1060948, 1136730, 1326185, 1374902, 1591422, 2062353, 2273460, 2652370, 2749804, 3182844, 3437255, 3978555, 4124706, 4812157, 5304740, 6874510, 7957110, 8249412, 9624314, 10311765, 13749020, 14436471, 15914220, 19248628, 20623530, 24060785, 28872942, 33685099, 41247060, 48121570, 57745884, 67370198, 72182355, 96243140, 101055297, 134740396, 144364710, 168425495, 202110594, 288729420, 336850990, 404221188, 505276485, 673701980, 1010552970, 2021105940]
約数ペア:
[(1, 2021105940), (2, 1010552970), (3, 673701980), (4, 505276485), (5, 404221188), (6, 336850990), (7, 288729420), (10, 202110594), (12, 168425495), (14, 144364710), (15, 134740396), (20, 101055297), (21, 96243140), (28, 72182355), (30, 67370198), (35, 57745884), (42, 48121570), (49, 41247060), (60, 33685099), (70, 28872942), (84, 24060785), (98, 20623530), (105, 19248628), (127, 15914220), (140, 14436471), (147, 13749020), (196, 10311765), (210, 9624314), (245, 8249412), (254, 7957110), (294, 6874510), (381, 5304740), (420, 4812157), (490, 4124706), (508, 3978555), (588, 3437255), (635, 3182844), (735, 2749804), (762, 2652370), (889, 2273460), (980, 2062353), (1270, 1591422), (1470, 1374902), (1524, 1326185), (1778, 1136730), (1905, 1060948), (2540, 795711), (2667, 757820), (2940, 687451), (3556, 568365), (3810, 530474), (4445, 454692), (5334, 378910), (5413, 373380), (6223, 324780), (7620, 265237), (8890, 227346), (10668, 189455), (10826, 186690), (12446, 162390), (13335, 151564), (16239, 124460), (17780, 113673), (18669, 108260), (21652, 93345), (24892, 81195), (26670, 75782), (27065, 74676), (31115, 64956), (32478, 62230), (37338, 54130), (37891, 53340)]このpageの処理時間: 0.17974853515625 seconds