21324800

素因数分解:

$2^{10}\times 5^2\times 7^2\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 198

約数和(自身を含む): 65106882

約数和(自身を除く): 43782082

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 49, 50, 56, 64, 68, 70, 80, 85, 98, 100, 112, 119, 128, 136, 140, 160, 170, 175, 196, 200, 224, 238, 245, 256, 272, 280, 320, 340, 350, 392, 400, 425, 448, 476, 490, 512, 544, 560, 595, 640, 680, 700, 784, 800, 833, 850, 896, 952, 980, 1024, 1088, 1120, 1190, 1225, 1280, 1360, 1400, 1568, 1600, 1666, 1700, 1792, 1904, 1960, 2176, 2240, 2380, 2450, 2560, 2720, 2800, 2975, 3136, 3200, 3332, 3400, 3584, 3808, 3920, 4165, 4352, 4480, 4760, 4900, 5120, 5440, 5600, 5950, 6272, 6400, 6664, 6800, 7168, 7616, 7840, 8330, 8704, 8960, 9520, 9800, 10880, 11200, 11900, 12544, 12800, 13328, 13600, 15232, 15680, 16660, 17408, 17920, 19040, 19600, 20825, 21760, 22400, 23800, 25088, 25600, 26656, 27200, 30464, 31360, 33320, 35840, 38080, 39200, 41650, 43520, 44800, 47600, 50176, 53312, 54400, 60928, 62720, 66640, 76160, 78400, 83300, 87040, 89600, 95200, 106624, 108800, 121856, 125440, 133280, 152320, 156800, 166600, 179200, 190400, 213248, 217600, 250880, 266560, 304640, 313600, 333200, 380800, 426496, 435200, 533120, 609280, 627200, 666400, 761600, 852992, 1066240, 1254400, 1332800, 1523200, 2132480, 2665600, 3046400, 4264960, 5331200, 10662400, 21324800]

約数ペア:

[(1, 21324800), (2, 10662400), (4, 5331200), (5, 4264960), (7, 3046400), (8, 2665600), (10, 2132480), (14, 1523200), (16, 1332800), (17, 1254400), (20, 1066240), (25, 852992), (28, 761600), (32, 666400), (34, 627200), (35, 609280), (40, 533120), (49, 435200), (50, 426496), (56, 380800), (64, 333200), (68, 313600), (70, 304640), (80, 266560), (85, 250880), (98, 217600), (100, 213248), (112, 190400), (119, 179200), (128, 166600), (136, 156800), (140, 152320), (160, 133280), (170, 125440), (175, 121856), (196, 108800), (200, 106624), (224, 95200), (238, 89600), (245, 87040), (256, 83300), (272, 78400), (280, 76160), (320, 66640), (340, 62720), (350, 60928), (392, 54400), (400, 53312), (425, 50176), (448, 47600), (476, 44800), (490, 43520), (512, 41650), (544, 39200), (560, 38080), (595, 35840), (640, 33320), (680, 31360), (700, 30464), (784, 27200), (800, 26656), (833, 25600), (850, 25088), (896, 23800), (952, 22400), (980, 21760), (1024, 20825), (1088, 19600), (1120, 19040), (1190, 17920), (1225, 17408), (1280, 16660), (1360, 15680), (1400, 15232), (1568, 13600), (1600, 13328), (1666, 12800), (1700, 12544), (1792, 11900), (1904, 11200), (1960, 10880), (2176, 9800), (2240, 9520), (2380, 8960), (2450, 8704), (2560, 8330), (2720, 7840), (2800, 7616), (2975, 7168), (3136, 6800), (3200, 6664), (3332, 6400), (3400, 6272), (3584, 5950), (3808, 5600), (3920, 5440), (4165, 5120), (4352, 4900), (4480, 4760)]