21002240

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{293}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 36786400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 293, 320, 448, 512, 560, 586, 640, 896, 1024, 1120, 1172, 1280, 1465, 1792, 2048, 2051, 2240, 2344, 2560, 2930, 3584, 4102, 4480, 4688, 5120, 5860, 7168, 8204, 8960, 9376, 10240, 10255, 11720, 14336, 16408, 17920, 18752, 20510, 23440, 32816, 35840, 37504, 41020, 46880, 65632, 71680, 75008, 82040, 93760, 131264, 150016, 164080, 187520, 262528, 300032, 328160, 375040, 525056, 600064, 656320, 750080, 1050112, 1312640, 1500160, 2100224, 2625280, 3000320, 4200448, 5250560, 10501120, 21002240]

約数ペア:

[(1, 21002240), (2, 10501120), (4, 5250560), (5, 4200448), (7, 3000320), (8, 2625280), (10, 2100224), (14, 1500160), (16, 1312640), (20, 1050112), (28, 750080), (32, 656320), (35, 600064), (40, 525056), (56, 375040), (64, 328160), (70, 300032), (80, 262528), (112, 187520), (128, 164080), (140, 150016), (160, 131264), (224, 93760), (256, 82040), (280, 75008), (293, 71680), (320, 65632), (448, 46880), (512, 41020), (560, 37504), (586, 35840), (640, 32816), (896, 23440), (1024, 20510), (1120, 18752), (1172, 17920), (1280, 16408), (1465, 14336), (1792, 11720), (2048, 10255), (2051, 10240), (2240, 9376), (2344, 8960), (2560, 8204), (2930, 7168), (3584, 5860), (4102, 5120), (4480, 4688)]