21105339136

素因数分解:

$2^8\times 7^1\times {\mathrm{11777533}}^1$

素因数の和:11777556

約数の個数: 36

約数和(自身を含む): 48146558992

約数和(自身を除く): 27041219856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11777533, 23555066, 47110132, 82442731, 94220264, 164885462, 188440528, 329770924, 376881056, 659541848, 753762112, 1319083696, 1507524224, 2638167392, 3015048448, 5276334784, 10552669568, 21105339136]

約数ペア:

[(1, 21105339136), (2, 10552669568), (4, 5276334784), (7, 3015048448), (8, 2638167392), (14, 1507524224), (16, 1319083696), (28, 753762112), (32, 659541848), (56, 376881056), (64, 329770924), (112, 188440528), (128, 164885462), (224, 94220264), (256, 82442731), (448, 47110132), (896, 23555066), (1792, 11777533)]