21007168

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3607}}^1$

素因数の和:3639

約数の個数: 56

約数和(自身を含む): 51320192

約数和(自身を除く): 30313024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3607, 5824, 7214, 14428, 25249, 28856, 46891, 50498, 57712, 93782, 100996, 115424, 187564, 201992, 230848, 328237, 375128, 403984, 656474, 750256, 807968, 1312948, 1500512, 1615936, 2625896, 3001024, 5251792, 10503584, 21007168]

約数ペア:

[(1, 21007168), (2, 10503584), (4, 5251792), (7, 3001024), (8, 2625896), (13, 1615936), (14, 1500512), (16, 1312948), (26, 807968), (28, 750256), (32, 656474), (52, 403984), (56, 375128), (64, 328237), (91, 230848), (104, 201992), (112, 187564), (182, 115424), (208, 100996), (224, 93782), (364, 57712), (416, 50498), (448, 46891), (728, 28856), (832, 25249), (1456, 14428), (2912, 7214), (3607, 5824)]