21688592

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 44044800

約数和(自身を除く): 22356208

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 584, 599, 1168, 1198, 2263, 2396, 4526, 4792, 9052, 9584, 18104, 18569, 36208, 37138, 43727, 74276, 87454, 148552, 174908, 297104, 349816, 699632, 1355537, 2711074, 5422148, 10844296, 21688592]

約数ペア:

[(1, 21688592), (2, 10844296), (4, 5422148), (8, 2711074), (16, 1355537), (31, 699632), (62, 349816), (73, 297104), (124, 174908), (146, 148552), (248, 87454), (292, 74276), (496, 43727), (584, 37138), (599, 36208), (1168, 18569), (1198, 18104), (2263, 9584), (2396, 9052), (4526, 4792)]