21382800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 69561024

約数和(自身を除く): 48178224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 103, 120, 150, 173, 200, 206, 240, 300, 309, 346, 400, 412, 515, 519, 600, 618, 692, 824, 865, 1030, 1038, 1200, 1236, 1384, 1545, 1648, 1730, 2060, 2076, 2472, 2575, 2595, 2768, 3090, 3460, 4120, 4152, 4325, 4944, 5150, 5190, 6180, 6920, 7725, 8240, 8304, 8650, 10300, 10380, 12360, 12975, 13840, 15450, 17300, 17819, 20600, 20760, 24720, 25950, 30900, 34600, 35638, 41200, 41520, 51900, 53457, 61800, 69200, 71276, 89095, 103800, 106914, 123600, 142552, 178190, 207600, 213828, 267285, 285104, 356380, 427656, 445475, 534570, 712760, 855312, 890950, 1069140, 1336425, 1425520, 1781900, 2138280, 2672850, 3563800, 4276560, 5345700, 7127600, 10691400, 21382800]

約数ペア:

[(1, 21382800), (2, 10691400), (3, 7127600), (4, 5345700), (5, 4276560), (6, 3563800), (8, 2672850), (10, 2138280), (12, 1781900), (15, 1425520), (16, 1336425), (20, 1069140), (24, 890950), (25, 855312), (30, 712760), (40, 534570), (48, 445475), (50, 427656), (60, 356380), (75, 285104), (80, 267285), (100, 213828), (103, 207600), (120, 178190), (150, 142552), (173, 123600), (200, 106914), (206, 103800), (240, 89095), (300, 71276), (309, 69200), (346, 61800), (400, 53457), (412, 51900), (515, 41520), (519, 41200), (600, 35638), (618, 34600), (692, 30900), (824, 25950), (865, 24720), (1030, 20760), (1038, 20600), (1200, 17819), (1236, 17300), (1384, 15450), (1545, 13840), (1648, 12975), (1730, 12360), (2060, 10380), (2076, 10300), (2472, 8650), (2575, 8304), (2595, 8240), (2768, 7725), (3090, 6920), (3460, 6180), (4120, 5190), (4152, 5150), (4325, 4944)]