About the Number

2921940

2921939 ← → 2921941

2進数表記:1011001001010111010100

漢数字表記:二百九十二万千九百四十

素因数分解:

2 2 × 3 3 × 5 1 × 7 1 × 773 1

素因数の和:798
約数の個数: 96
約数和(自身を含む): 10402560
約数和(自身を除く): 7480620

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 773, 945, 1260, 1546, 1890, 2319, 3092, 3780, 3865, 4638, 5411, 6957, 7730, 9276, 10822, 11595, 13914, 15460, 16233, 20871, 21644, 23190, 27055, 27828, 32466, 34785, 41742, 46380, 48699, 54110, 64932, 69570, 81165, 83484, 97398, 104355, 108220, 139140, 146097, 162330, 194796, 208710, 243495, 292194, 324660, 417420, 486990, 584388, 730485, 973980, 1460970, 2921940]

約数ペア:
[(1, 2921940), (2, 1460970), (3, 973980), (4, 730485), (5, 584388), (6, 486990), (7, 417420), (9, 324660), (10, 292194), (12, 243495), (14, 208710), (15, 194796), (18, 162330), (20, 146097), (21, 139140), (27, 108220), (28, 104355), (30, 97398), (35, 83484), (36, 81165), (42, 69570), (45, 64932), (54, 54110), (60, 48699), (63, 46380), (70, 41742), (84, 34785), (90, 32466), (105, 27828), (108, 27055), (126, 23190), (135, 21644), (140, 20871), (180, 16233), (189, 15460), (210, 13914), (252, 11595), (270, 10822), (315, 9276), (378, 7730), (420, 6957), (540, 5411), (630, 4638), (756, 3865), (773, 3780), (945, 3092), (1260, 2319), (1546, 1890)]

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