21390496

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21563}}^1$

素因数の和:21604

約数の個数: 24

約数和(自身を含む): 43473024

約数和(自身を除く): 22082528

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21563, 43126, 86252, 172504, 345008, 668453, 690016, 1336906, 2673812, 5347624, 10695248, 21390496]

約数ペア:

[(1, 21390496), (2, 10695248), (4, 5347624), (8, 2673812), (16, 1336906), (31, 690016), (32, 668453), (62, 345008), (124, 172504), (248, 86252), (496, 43126), (992, 21563)]