21501864

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2791}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 58799520

約数和(自身を除く): 37297656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2791, 3852, 5582, 7704, 8373, 11164, 16746, 22328, 25119, 33492, 50238, 66984, 100476, 200952, 298637, 597274, 895911, 1194548, 1791822, 2389096, 2687733, 3583644, 5375466, 7167288, 10750932, 21501864]

約数ペア:

[(1, 21501864), (2, 10750932), (3, 7167288), (4, 5375466), (6, 3583644), (8, 2687733), (9, 2389096), (12, 1791822), (18, 1194548), (24, 895911), (36, 597274), (72, 298637), (107, 200952), (214, 100476), (321, 66984), (428, 50238), (642, 33492), (856, 25119), (963, 22328), (1284, 16746), (1926, 11164), (2568, 8373), (2791, 7704), (3852, 5582)]