21479744

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2347}}^1$

素因数の和:2383

約数の個数: 56

約数和(自身を含む): 50096928

約数和(自身を除く): 28617184

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2288, 2347, 4576, 4694, 9152, 9388, 18776, 25817, 30511, 37552, 51634, 61022, 75104, 103268, 122044, 150208, 206536, 244088, 335621, 413072, 488176, 671242, 826144, 976352, 1342484, 1652288, 1952704, 2684968, 5369936, 10739872, 21479744]

約数ペア:

[(1, 21479744), (2, 10739872), (4, 5369936), (8, 2684968), (11, 1952704), (13, 1652288), (16, 1342484), (22, 976352), (26, 826144), (32, 671242), (44, 488176), (52, 413072), (64, 335621), (88, 244088), (104, 206536), (143, 150208), (176, 122044), (208, 103268), (286, 75104), (352, 61022), (416, 51634), (572, 37552), (704, 30511), (832, 25817), (1144, 18776), (2288, 9388), (2347, 9152), (4576, 4694)]