21713524

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20959}}^1$

素因数の和:21007

約数の個数: 24

約数和(自身を含む): 44602880

約数和(自身を除く): 22889356

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20959, 41918, 83836, 146713, 293426, 586852, 775483, 1550966, 3101932, 5428381, 10856762, 21713524]

約数ペア:

[(1, 21713524), (2, 10856762), (4, 5428381), (7, 3101932), (14, 1550966), (28, 775483), (37, 586852), (74, 293426), (148, 146713), (259, 83836), (518, 41918), (1036, 20959)]