21029120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2347}}^1$

素因数の和:2375

約数の個数: 72

約数和(自身を含む): 57591744

約数和(自身を除く): 36562624

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, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2347, 4480, 4694, 8960, 9388, 11735, 16429, 18776, 23470, 32858, 37552, 46940, 65716, 75104, 82145, 93880, 131432, 150208, 164290, 187760, 262864, 300416, 328580, 375520, 525728, 600832, 657160, 751040, 1051456, 1314320, 1502080, 2102912, 2628640, 3004160, 4205824, 5257280, 10514560, 21029120]

約数ペア:

[(1, 21029120), (2, 10514560), (4, 5257280), (5, 4205824), (7, 3004160), (8, 2628640), (10, 2102912), (14, 1502080), (16, 1314320), (20, 1051456), (28, 751040), (32, 657160), (35, 600832), (40, 525728), (56, 375520), (64, 328580), (70, 300416), (80, 262864), (112, 187760), (128, 164290), (140, 150208), (160, 131432), (224, 93880), (256, 82145), (280, 75104), (320, 65716), (448, 46940), (560, 37552), (640, 32858), (896, 23470), (1120, 18776), (1280, 16429), (1792, 11735), (2240, 9388), (2347, 8960), (4480, 4694)]