21170560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1741}}^1$

素因数の和:1779

約数の個数: 64

約数和(自身を含む): 53305200

約数和(自身を除く): 32134640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 1741, 2432, 3040, 3482, 6080, 6964, 8705, 12160, 13928, 17410, 27856, 33079, 34820, 55712, 66158, 69640, 111424, 132316, 139280, 165395, 222848, 264632, 278560, 330790, 529264, 557120, 661580, 1058528, 1114240, 1323160, 2117056, 2646320, 4234112, 5292640, 10585280, 21170560]

約数ペア:

[(1, 21170560), (2, 10585280), (4, 5292640), (5, 4234112), (8, 2646320), (10, 2117056), (16, 1323160), (19, 1114240), (20, 1058528), (32, 661580), (38, 557120), (40, 529264), (64, 330790), (76, 278560), (80, 264632), (95, 222848), (128, 165395), (152, 139280), (160, 132316), (190, 111424), (304, 69640), (320, 66158), (380, 55712), (608, 34820), (640, 33079), (760, 27856), (1216, 17410), (1520, 13928), (1741, 12160), (2432, 8705), (3040, 6964), (3482, 6080)]