21981632

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{18077}}^1$

素因数の和:18108

約数の個数: 28

約数和(自身を含む): 45918120

約数和(自身を除く): 23936488

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 18077, 36154, 72308, 144616, 289232, 343463, 578464, 686926, 1156928, 1373852, 2747704, 5495408, 10990816, 21981632]

約数ペア:

[(1, 21981632), (2, 10990816), (4, 5495408), (8, 2747704), (16, 1373852), (19, 1156928), (32, 686926), (38, 578464), (64, 343463), (76, 289232), (152, 144616), (304, 72308), (608, 36154), (1216, 18077)]