21609856

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9931}}^1$

素因数の和:9962

約数の個数: 32

約数和(自身を含む): 45587880

約数和(自身を除く): 23978024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9931, 19862, 39724, 79448, 158896, 168827, 317792, 337654, 635584, 675308, 1271168, 1350616, 2701232, 5402464, 10804928, 21609856]

約数ペア:

[(1, 21609856), (2, 10804928), (4, 5402464), (8, 2701232), (16, 1350616), (17, 1271168), (32, 675308), (34, 635584), (64, 337654), (68, 317792), (128, 168827), (136, 158896), (272, 79448), (544, 39724), (1088, 19862), (2176, 9931)]