21177528

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16649}}^1$

素因数の和:16711

約数の個数: 32

約数和(自身を含む): 53946000

約数和(自身を除く): 32768472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16649, 33298, 49947, 66596, 99894, 133192, 199788, 399576, 882397, 1764794, 2647191, 3529588, 5294382, 7059176, 10588764, 21177528]

約数ペア:

[(1, 21177528), (2, 10588764), (3, 7059176), (4, 5294382), (6, 3529588), (8, 2647191), (12, 1764794), (24, 882397), (53, 399576), (106, 199788), (159, 133192), (212, 99894), (318, 66596), (424, 49947), (636, 33298), (1272, 16649)]