21173400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1307}}^1$

素因数の和:1335

約数の個数: 120

約数和(自身を含む): 73594620

約数和(自身を除く): 52421220

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, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1307, 1350, 1620, 1800, 2025, 2614, 2700, 3240, 3921, 4050, 5228, 5400, 6535, 7842, 8100, 10456, 11763, 13070, 15684, 16200, 19605, 23526, 26140, 31368, 32675, 35289, 39210, 47052, 52280, 58815, 65350, 70578, 78420, 94104, 98025, 105867, 117630, 130700, 141156, 156840, 176445, 196050, 211734, 235260, 261400, 282312, 294075, 352890, 392100, 423468, 470520, 529335, 588150, 705780, 784200, 846936, 882225, 1058670, 1176300, 1411560, 1764450, 2117340, 2352600, 2646675, 3528900, 4234680, 5293350, 7057800, 10586700, 21173400]

約数ペア:

[(1, 21173400), (2, 10586700), (3, 7057800), (4, 5293350), (5, 4234680), (6, 3528900), (8, 2646675), (9, 2352600), (10, 2117340), (12, 1764450), (15, 1411560), (18, 1176300), (20, 1058670), (24, 882225), (25, 846936), (27, 784200), (30, 705780), (36, 588150), (40, 529335), (45, 470520), (50, 423468), (54, 392100), (60, 352890), (72, 294075), (75, 282312), (81, 261400), (90, 235260), (100, 211734), (108, 196050), (120, 176445), (135, 156840), (150, 141156), (162, 130700), (180, 117630), (200, 105867), (216, 98025), (225, 94104), (270, 78420), (300, 70578), (324, 65350), (360, 58815), (405, 52280), (450, 47052), (540, 39210), (600, 35289), (648, 32675), (675, 31368), (810, 26140), (900, 23526), (1080, 19605), (1307, 16200), (1350, 15684), (1620, 13070), (1800, 11763), (2025, 10456), (2614, 8100), (2700, 7842), (3240, 6535), (3921, 5400), (4050, 5228)]