21129276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251539}}^1$

素因数の和:251553

約数の個数: 24

約数和(自身を含む): 56344960

約数和(自身を除く): 35215684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251539, 503078, 754617, 1006156, 1509234, 1760773, 3018468, 3521546, 5282319, 7043092, 10564638, 21129276]

約数ペア:

[(1, 21129276), (2, 10564638), (3, 7043092), (4, 5282319), (6, 3521546), (7, 3018468), (12, 1760773), (14, 1509234), (21, 1006156), (28, 754617), (42, 503078), (84, 251539)]