21474425

素因数分解:

$5^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 30611136

約数和(自身を除く): 9136711

約数列:

[1, 5, 7, 25, 35, 175, 277, 443, 1385, 1939, 2215, 3101, 6925, 9695, 11075, 15505, 48475, 77525, 122711, 613555, 858977, 3067775, 4294885, 21474425]

約数ペア:

[(1, 21474425), (5, 4294885), (7, 3067775), (25, 858977), (35, 613555), (175, 122711), (277, 77525), (443, 48475), (1385, 15505), (1939, 11075), (2215, 9695), (3101, 6925)]