21242912

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34939}}^1$

素因数の和:34968

約数の個数: 24

約数和(自身を含む): 44024400

約数和(自身を除く): 22781488

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34939, 69878, 139756, 279512, 559024, 663841, 1118048, 1327682, 2655364, 5310728, 10621456, 21242912]

約数ペア:

[(1, 21242912), (2, 10621456), (4, 5310728), (8, 2655364), (16, 1327682), (19, 1118048), (32, 663841), (38, 559024), (76, 279512), (152, 139756), (304, 69878), (608, 34939)]