21043800

素因数分解:

$2^3\times 3^5\times 5^2\times {\mathrm{433}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 73458840

約数和(自身を除く): 52415040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 243, 270, 300, 324, 360, 405, 433, 450, 486, 540, 600, 648, 675, 810, 866, 900, 972, 1080, 1215, 1299, 1350, 1620, 1732, 1800, 1944, 2025, 2165, 2430, 2598, 2700, 3240, 3464, 3897, 4050, 4330, 4860, 5196, 5400, 6075, 6495, 7794, 8100, 8660, 9720, 10392, 10825, 11691, 12150, 12990, 15588, 16200, 17320, 19485, 21650, 23382, 24300, 25980, 31176, 32475, 35073, 38970, 43300, 46764, 48600, 51960, 58455, 64950, 70146, 77940, 86600, 93528, 97425, 105219, 116910, 129900, 140292, 155880, 175365, 194850, 210438, 233820, 259800, 280584, 292275, 350730, 389700, 420876, 467640, 526095, 584550, 701460, 779400, 841752, 876825, 1052190, 1169100, 1402920, 1753650, 2104380, 2338200, 2630475, 3507300, 4208760, 5260950, 7014600, 10521900, 21043800]

約数ペア:

[(1, 21043800), (2, 10521900), (3, 7014600), (4, 5260950), (5, 4208760), (6, 3507300), (8, 2630475), (9, 2338200), (10, 2104380), (12, 1753650), (15, 1402920), (18, 1169100), (20, 1052190), (24, 876825), (25, 841752), (27, 779400), (30, 701460), (36, 584550), (40, 526095), (45, 467640), (50, 420876), (54, 389700), (60, 350730), (72, 292275), (75, 280584), (81, 259800), (90, 233820), (100, 210438), (108, 194850), (120, 175365), (135, 155880), (150, 140292), (162, 129900), (180, 116910), (200, 105219), (216, 97425), (225, 93528), (243, 86600), (270, 77940), (300, 70146), (324, 64950), (360, 58455), (405, 51960), (433, 48600), (450, 46764), (486, 43300), (540, 38970), (600, 35073), (648, 32475), (675, 31176), (810, 25980), (866, 24300), (900, 23382), (972, 21650), (1080, 19485), (1215, 17320), (1299, 16200), (1350, 15588), (1620, 12990), (1732, 12150), (1800, 11691), (1944, 10825), (2025, 10392), (2165, 9720), (2430, 8660), (2598, 8100), (2700, 7794), (3240, 6495), (3464, 6075), (3897, 5400), (4050, 5196), (4330, 4860)]