21821400

素因数分解:

$2^3\times 3^5\times 5^2\times {\mathrm{449}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 76167000

約数和(自身を除く): 54345600

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, 449, 450, 486, 540, 600, 648, 675, 810, 898, 900, 972, 1080, 1215, 1347, 1350, 1620, 1796, 1800, 1944, 2025, 2245, 2430, 2694, 2700, 3240, 3592, 4041, 4050, 4490, 4860, 5388, 5400, 6075, 6735, 8082, 8100, 8980, 9720, 10776, 11225, 12123, 12150, 13470, 16164, 16200, 17960, 20205, 22450, 24246, 24300, 26940, 32328, 33675, 36369, 40410, 44900, 48492, 48600, 53880, 60615, 67350, 72738, 80820, 89800, 96984, 101025, 109107, 121230, 134700, 145476, 161640, 181845, 202050, 218214, 242460, 269400, 290952, 303075, 363690, 404100, 436428, 484920, 545535, 606150, 727380, 808200, 872856, 909225, 1091070, 1212300, 1454760, 1818450, 2182140, 2424600, 2727675, 3636900, 4364280, 5455350, 7273800, 10910700, 21821400]

約数ペア:

[(1, 21821400), (2, 10910700), (3, 7273800), (4, 5455350), (5, 4364280), (6, 3636900), (8, 2727675), (9, 2424600), (10, 2182140), (12, 1818450), (15, 1454760), (18, 1212300), (20, 1091070), (24, 909225), (25, 872856), (27, 808200), (30, 727380), (36, 606150), (40, 545535), (45, 484920), (50, 436428), (54, 404100), (60, 363690), (72, 303075), (75, 290952), (81, 269400), (90, 242460), (100, 218214), (108, 202050), (120, 181845), (135, 161640), (150, 145476), (162, 134700), (180, 121230), (200, 109107), (216, 101025), (225, 96984), (243, 89800), (270, 80820), (300, 72738), (324, 67350), (360, 60615), (405, 53880), (449, 48600), (450, 48492), (486, 44900), (540, 40410), (600, 36369), (648, 33675), (675, 32328), (810, 26940), (898, 24300), (900, 24246), (972, 22450), (1080, 20205), (1215, 17960), (1347, 16200), (1350, 16164), (1620, 13470), (1796, 12150), (1800, 12123), (1944, 11225), (2025, 10776), (2245, 9720), (2430, 8980), (2694, 8100), (2700, 8082), (3240, 6735), (3592, 6075), (4041, 5400), (4050, 5388), (4490, 4860)]