21232800

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{983}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 76870080

約数和(自身を除く): 55637280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 983, 1080, 1200, 1350, 1440, 1800, 1966, 2160, 2400, 2700, 2949, 3600, 3932, 4320, 4915, 5400, 5898, 7200, 7864, 8847, 9830, 10800, 11796, 14745, 15728, 17694, 19660, 21600, 23592, 24575, 26541, 29490, 31456, 35388, 39320, 44235, 47184, 49150, 53082, 58980, 70776, 73725, 78640, 88470, 94368, 98300, 106164, 117960, 132705, 141552, 147450, 157280, 176940, 196600, 212328, 221175, 235920, 265410, 283104, 294900, 353880, 393200, 424656, 442350, 471840, 530820, 589800, 663525, 707760, 786400, 849312, 884700, 1061640, 1179600, 1327050, 1415520, 1769400, 2123280, 2359200, 2654100, 3538800, 4246560, 5308200, 7077600, 10616400, 21232800]

約数ペア:

[(1, 21232800), (2, 10616400), (3, 7077600), (4, 5308200), (5, 4246560), (6, 3538800), (8, 2654100), (9, 2359200), (10, 2123280), (12, 1769400), (15, 1415520), (16, 1327050), (18, 1179600), (20, 1061640), (24, 884700), (25, 849312), (27, 786400), (30, 707760), (32, 663525), (36, 589800), (40, 530820), (45, 471840), (48, 442350), (50, 424656), (54, 393200), (60, 353880), (72, 294900), (75, 283104), (80, 265410), (90, 235920), (96, 221175), (100, 212328), (108, 196600), (120, 176940), (135, 157280), (144, 147450), (150, 141552), (160, 132705), (180, 117960), (200, 106164), (216, 98300), (225, 94368), (240, 88470), (270, 78640), (288, 73725), (300, 70776), (360, 58980), (400, 53082), (432, 49150), (450, 47184), (480, 44235), (540, 39320), (600, 35388), (675, 31456), (720, 29490), (800, 26541), (864, 24575), (900, 23592), (983, 21600), (1080, 19660), (1200, 17694), (1350, 15728), (1440, 14745), (1800, 11796), (1966, 10800), (2160, 9830), (2400, 8847), (2700, 7864), (2949, 7200), (3600, 5898), (3932, 5400), (4320, 4915)]