21621912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 59818080

約数和(自身を除く): 38196168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1873, 1924, 2886, 3746, 3848, 5619, 5772, 7492, 11238, 11544, 14984, 22476, 24349, 44952, 48698, 69301, 73047, 97396, 138602, 146094, 194792, 207903, 277204, 292188, 415806, 554408, 584376, 831612, 900913, 1663224, 1801826, 2702739, 3603652, 5405478, 7207304, 10810956, 21621912]

約数ペア:

[(1, 21621912), (2, 10810956), (3, 7207304), (4, 5405478), (6, 3603652), (8, 2702739), (12, 1801826), (13, 1663224), (24, 900913), (26, 831612), (37, 584376), (39, 554408), (52, 415806), (74, 292188), (78, 277204), (104, 207903), (111, 194792), (148, 146094), (156, 138602), (222, 97396), (296, 73047), (312, 69301), (444, 48698), (481, 44952), (888, 24349), (962, 22476), (1443, 14984), (1873, 11544), (1924, 11238), (2886, 7492), (3746, 5772), (3848, 5619)]