21674828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24971}}^1$

素因数の和:25013

約数の個数: 24

約数和(自身を含む): 44749824

約数和(自身を除く): 23074996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24971, 49942, 99884, 174797, 349594, 699188, 774101, 1548202, 3096404, 5418707, 10837414, 21674828]

約数ペア:

[(1, 21674828), (2, 10837414), (4, 5418707), (7, 3096404), (14, 1548202), (28, 774101), (31, 699188), (62, 349594), (124, 174797), (217, 99884), (434, 49942), (868, 24971)]