21335040

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{463}}^1$

素因数の和:494

約数の個数: 132

約数和(自身を含む): 74085024

約数和(自身を除く): 52749984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 463, 480, 512, 576, 640, 720, 768, 926, 960, 1024, 1152, 1280, 1389, 1440, 1536, 1852, 1920, 2304, 2315, 2560, 2778, 2880, 3072, 3704, 3840, 4167, 4608, 4630, 5120, 5556, 5760, 6945, 7408, 7680, 8334, 9216, 9260, 11112, 11520, 13890, 14816, 15360, 16668, 18520, 20835, 22224, 23040, 27780, 29632, 33336, 37040, 41670, 44448, 46080, 55560, 59264, 66672, 74080, 83340, 88896, 111120, 118528, 133344, 148160, 166680, 177792, 222240, 237056, 266688, 296320, 333360, 355584, 444480, 474112, 533376, 592640, 666720, 711168, 888960, 1066752, 1185280, 1333440, 1422336, 1777920, 2133504, 2370560, 2666880, 3555840, 4267008, 5333760, 7111680, 10667520, 21335040]

約数ペア:

[(1, 21335040), (2, 10667520), (3, 7111680), (4, 5333760), (5, 4267008), (6, 3555840), (8, 2666880), (9, 2370560), (10, 2133504), (12, 1777920), (15, 1422336), (16, 1333440), (18, 1185280), (20, 1066752), (24, 888960), (30, 711168), (32, 666720), (36, 592640), (40, 533376), (45, 474112), (48, 444480), (60, 355584), (64, 333360), (72, 296320), (80, 266688), (90, 237056), (96, 222240), (120, 177792), (128, 166680), (144, 148160), (160, 133344), (180, 118528), (192, 111120), (240, 88896), (256, 83340), (288, 74080), (320, 66672), (360, 59264), (384, 55560), (463, 46080), (480, 44448), (512, 41670), (576, 37040), (640, 33336), (720, 29632), (768, 27780), (926, 23040), (960, 22224), (1024, 20835), (1152, 18520), (1280, 16668), (1389, 15360), (1440, 14816), (1536, 13890), (1852, 11520), (1920, 11112), (2304, 9260), (2315, 9216), (2560, 8334), (2778, 7680), (2880, 7408), (3072, 6945), (3704, 5760), (3840, 5556), (4167, 5120), (4608, 4630)]