21612994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 37356480

約数和(自身を除く): 15743486

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 653, 871, 1273, 1306, 1742, 2546, 8489, 12407, 16549, 16978, 24814, 33098, 43751, 87502, 161291, 322582, 568763, 831269, 1137526, 1662538, 10806497, 21612994]

約数ペア:

[(1, 21612994), (2, 10806497), (13, 1662538), (19, 1137526), (26, 831269), (38, 568763), (67, 322582), (134, 161291), (247, 87502), (494, 43751), (653, 33098), (871, 24814), (1273, 16978), (1306, 16549), (1742, 12407), (2546, 8489)]