21149100

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 180

約数和(自身を含む): 78560944

約数和(自身を除く): 57411844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 373, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 746, 756, 810, 900, 945, 1050, 1119, 1134, 1260, 1350, 1492, 1575, 1620, 1865, 1890, 2025, 2100, 2238, 2268, 2611, 2700, 2835, 3150, 3357, 3730, 3780, 4050, 4476, 4725, 5222, 5595, 5670, 6300, 6714, 7460, 7833, 8100, 9325, 9450, 10071, 10444, 11190, 11340, 13055, 13428, 14175, 15666, 16785, 18650, 18900, 20142, 22380, 23499, 26110, 27975, 28350, 30213, 31332, 33570, 37300, 39165, 40284, 46998, 50355, 52220, 55950, 56700, 60426, 65275, 67140, 70497, 78330, 83925, 93996, 100710, 111900, 117495, 120852, 130550, 140994, 151065, 156660, 167850, 195825, 201420, 211491, 234990, 251775, 261100, 281988, 302130, 335700, 352485, 391650, 422982, 469980, 503550, 587475, 604260, 704970, 755325, 783300, 845964, 1007100, 1057455, 1174950, 1409940, 1510650, 1762425, 2114910, 2349900, 3021300, 3524850, 4229820, 5287275, 7049700, 10574550, 21149100]

約数ペア:

[(1, 21149100), (2, 10574550), (3, 7049700), (4, 5287275), (5, 4229820), (6, 3524850), (7, 3021300), (9, 2349900), (10, 2114910), (12, 1762425), (14, 1510650), (15, 1409940), (18, 1174950), (20, 1057455), (21, 1007100), (25, 845964), (27, 783300), (28, 755325), (30, 704970), (35, 604260), (36, 587475), (42, 503550), (45, 469980), (50, 422982), (54, 391650), (60, 352485), (63, 335700), (70, 302130), (75, 281988), (81, 261100), (84, 251775), (90, 234990), (100, 211491), (105, 201420), (108, 195825), (126, 167850), (135, 156660), (140, 151065), (150, 140994), (162, 130550), (175, 120852), (180, 117495), (189, 111900), (210, 100710), (225, 93996), (252, 83925), (270, 78330), (300, 70497), (315, 67140), (324, 65275), (350, 60426), (373, 56700), (378, 55950), (405, 52220), (420, 50355), (450, 46998), (525, 40284), (540, 39165), (567, 37300), (630, 33570), (675, 31332), (700, 30213), (746, 28350), (756, 27975), (810, 26110), (900, 23499), (945, 22380), (1050, 20142), (1119, 18900), (1134, 18650), (1260, 16785), (1350, 15666), (1492, 14175), (1575, 13428), (1620, 13055), (1865, 11340), (1890, 11190), (2025, 10444), (2100, 10071), (2238, 9450), (2268, 9325), (2611, 8100), (2700, 7833), (2835, 7460), (3150, 6714), (3357, 6300), (3730, 5670), (3780, 5595), (4050, 5222), (4476, 4725)]