21171776

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:811

約数の個数: 56

約数和(自身を含む): 46207680

約数和(自身を除く): 25035904

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 152, 184, 304, 368, 437, 608, 736, 757, 874, 1216, 1472, 1514, 1748, 3028, 3496, 6056, 6992, 12112, 13984, 14383, 17411, 24224, 27968, 28766, 34822, 48448, 57532, 69644, 115064, 139288, 230128, 278576, 330809, 460256, 557152, 661618, 920512, 1114304, 1323236, 2646472, 5292944, 10585888, 21171776]

約数ペア:

[(1, 21171776), (2, 10585888), (4, 5292944), (8, 2646472), (16, 1323236), (19, 1114304), (23, 920512), (32, 661618), (38, 557152), (46, 460256), (64, 330809), (76, 278576), (92, 230128), (152, 139288), (184, 115064), (304, 69644), (368, 57532), (437, 48448), (608, 34822), (736, 28766), (757, 27968), (874, 24224), (1216, 17411), (1472, 14383), (1514, 13984), (1748, 12112), (3028, 6992), (3496, 6056)]