21320611312

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1331207}}^1$

素因数の和:1331246

約数の個数: 80

約数和(自身を含む): 55463450112

約数和(自身を除く): 34142838800

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 16016, 1331207, 2662414, 5324828, 9318449, 10649656, 14643277, 17305691, 18636898, 21299312, 29286554, 34611382, 37273796, 58573108, 69222764, 74547592, 102502939, 117146216, 121139837, 138445528, 149095184, 190362601, 205005878, 234292432, 242279674, 276891056, 380725202, 410011756, 484559348, 761450404, 820023512, 969118696, 1332538207, 1522900808, 1640047024, 1938237392, 2665076414, 3045801616, 5330152828, 10660305656, 21320611312]

約数ペア:

[(1, 21320611312), (2, 10660305656), (4, 5330152828), (7, 3045801616), (8, 2665076414), (11, 1938237392), (13, 1640047024), (14, 1522900808), (16, 1332538207), (22, 969118696), (26, 820023512), (28, 761450404), (44, 484559348), (52, 410011756), (56, 380725202), (77, 276891056), (88, 242279674), (91, 234292432), (104, 205005878), (112, 190362601), (143, 149095184), (154, 138445528), (176, 121139837), (182, 117146216), (208, 102502939), (286, 74547592), (308, 69222764), (364, 58573108), (572, 37273796), (616, 34611382), (728, 29286554), (1001, 21299312), (1144, 18636898), (1232, 17305691), (1456, 14643277), (2002, 10649656), (2288, 9318449), (4004, 5324828), (8008, 2662414), (16016, 1331207)]