21664736

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7607}}^1$

素因数の和:7706

約数の個数: 24

約数和(自身を含む): 43137360

約数和(自身を除く): 21472624

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7607, 15214, 30428, 60856, 121712, 243424, 677023, 1354046, 2708092, 5416184, 10832368, 21664736]

約数ペア:

[(1, 21664736), (2, 10832368), (4, 5416184), (8, 2708092), (16, 1354046), (32, 677023), (89, 243424), (178, 121712), (356, 60856), (712, 30428), (1424, 15214), (2848, 7607)]