21005432

素因数分解:

$2^3\times 7^1\times {\mathrm{375097}}^1$

素因数の和:375110

約数の個数: 16

約数和(自身を含む): 45011760

約数和(自身を除く): 24006328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375097, 750194, 1500388, 2625679, 3000776, 5251358, 10502716, 21005432]

約数ペア:

[(1, 21005432), (2, 10502716), (4, 5251358), (7, 3000776), (8, 2625679), (14, 1500388), (28, 750194), (56, 375097)]