21378496

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17581}}^1$

素因数の和:17612

約数の個数: 28

約数和(自身を含む): 44658280

約数和(自身を除く): 23279784

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17581, 35162, 70324, 140648, 281296, 334039, 562592, 668078, 1125184, 1336156, 2672312, 5344624, 10689248, 21378496]

約数ペア:

[(1, 21378496), (2, 10689248), (4, 5344624), (8, 2672312), (16, 1336156), (19, 1125184), (32, 668078), (38, 562592), (64, 334039), (76, 281296), (152, 140648), (304, 70324), (608, 35162), (1216, 17581)]