21612552

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 59330880

約数和(自身を除く): 37718328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1307, 1378, 2067, 2614, 2756, 3921, 4134, 5228, 5512, 7842, 8268, 10456, 15684, 16536, 16991, 31368, 33982, 50973, 67964, 69271, 101946, 135928, 138542, 203892, 207813, 277084, 407784, 415626, 554168, 831252, 900523, 1662504, 1801046, 2701569, 3602092, 5403138, 7204184, 10806276, 21612552]

約数ペア:

[(1, 21612552), (2, 10806276), (3, 7204184), (4, 5403138), (6, 3602092), (8, 2701569), (12, 1801046), (13, 1662504), (24, 900523), (26, 831252), (39, 554168), (52, 415626), (53, 407784), (78, 277084), (104, 207813), (106, 203892), (156, 138542), (159, 135928), (212, 101946), (312, 69271), (318, 67964), (424, 50973), (636, 33982), (689, 31368), (1272, 16991), (1307, 16536), (1378, 15684), (2067, 10456), (2614, 8268), (2756, 7842), (3921, 5512), (4134, 5228)]